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Features
• Configuration one-time programmable (OTP) read-only
memory designed to store configuration bitstreams for
Spartan-II/Spartan-IIE FPGA devices
• Simple interface to the Spartan device
• Programmable reset polarity (active High or active
Low)
• Low-power CMOS floating gate process
•3.3V PROM
• Available in compact plastic 8-pin DIP, 8-pin VOIC,
20-pin SOIC, or 44-pin VQFP packages.
• Programming support by leading programmer
manufacturers.
• Design support using the Xilinx Alliance and
Foundation series software packages.
• Guaranteed 20 year life data retention
Introduction
The XC17S00A family of PROMs provide an easy-to-use,
cost-effective method for storing Spartan-II/Spartan-IIE
device configuration bitstreams.
When the Spartan device is in Master Serial mode, it
generates a configuration clock that drives the Spartan
PROM. A short access time after the rising clock edge, data
appears on the PROM DATA output pin that is connected to
the Spar ta n device DIN pi n. The Spar tan device gene rates
the appropriate number of clock pulses to complete the
configuration. Once configured, it disables the PROM.
When a Spartan device is in Slave Serial mode, the PROM
and the Spartan device must both be clocked by an
incoming signa l.
For device programming, either the Xilinx Alliance or the
Spartan device design file into a standard HEX format
which is then transferred to most commercial PROM
programmers.
0Spartan-II/Spartan-IIE Family of
One-Time Programmable
Configuration PROMs
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Spartan-II/IIE FPGA Configuration Bits Compatible Spartan-II/IIE PROM
XC2S15 197,696 XC17S15A
XC2S30 336,768 XC17S30A
XC2S50 559,200 XC17S50A
XC2S100 781,216 XC17S100A
XC2S150 1,040,096 XC17S150A
XC2S200 1,335,840 XC17S200A
XC2S50E 630,048 XC17S50A
XC2S100E 863,840 XC17S100A
XC2S150E(1) 1,134,528 XC17S200A
XC2S200E 1,442,016 XC17S200A
XC2S300E 1,875,648 XC17S300A
Notes:
1. Due to the higher c onfiguratio n bit requirements of the XC2S150E de vice, an XC17S2 00A PROM is require d to configure this FPGA.
Spartan-II/Spartan-IIE Family of One-Time Programmable Configur ation PROMs (XC17S00A)
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Pin Description
Controlli ng PROMs
Connecting the Spartan device with the PROM:
•The DATA output of the PROM drives the DIN input of
the lead Spartan device.
•The Master Spartan device CCLK output drives the
CLK input of the PROM.
•The RESET/O E inp ut o f the PROM is c onn ec ted to th e
INIT pin of the Spartan device and a pull-up resistor.
This connection assures that the PROM address
counter is reset before the start of any
(re)configuration, even when a reconfiguration is
initiated by a VCC glitch.
•The CE input of the PROM is connected to the DONE
pin of the Spartan device and a pull-up resistor. CE can
also be per manently tied Low, but th is keeps the DATA
output active and causes an unnecessary supply
current of 10 mA maximum.
FPGA Master Serial Mode Summary
The I/O and logic functi ons of the Configurable Logic B lock
(CLB) and their associated interconnections are established
by a configuration program. The program is loaded either
automatically upon power up, or on command, depending
on the state of the Spartan device mode pins. In Master
Serial mode, the Spartan device automatically loads the
configuration program from an external memory. The
XC17S00A PROM has been designed for compatibility with
the Master Serial mode.
Upon power-up or reconfiguration, the Spartan device
enters the Mas te r Se rial m ode whe n th e m ode pi ns are set
to Master Serial mode. Data is read from the PROM
sequentially on a single data line. Synchronization is pro-
vided by the rising edge of the temporary signal CCLK,
which is generated during configuration.
Master Serial mode provides a simple configuration inter-
face (Figure 1). Only a se rial data li ne, t wo contr ol line s, and
a clock line are required to configure the Spartan device.
Data from the P ROM is read seq uent ial ly, acces s ed via th e
Table 1: XC17S00A PROM Pinouts
Pin Name 8-pin PDIP
and VOIC 20-pin
SOIC 44-pin
VQFP Pin Description
DATA 1 1 40 Data output, High-Z state when either CE or OE are inactive. During
programming, the D ATA pin is I/O. Note that OE can be programmed to
be either active High or active Low.
CLK 2 3 43 Each rising edge on the CLK input increments the internal address
counter, if both CE and OE are active.
RESET/OE
(OE/RESET)3 8 13 When High, this input holds the address counter reset and puts the
D ATA output in a high-impedance state. The polarity of this input pin is
programmable as either RESET/OE or OE/RESET. To avoid confusion,
this document describes the pin as RESET/OE, although the opposite
polarity is possible on all devices. When RESET is active, the address
counter is held at zero, and the DATA output is in a high-impedance
state. The polarity of this input is programmable . The default is active
High RESET, but the preferred option is active Low RESET, because it
can be connected to the FPGAs INIT pin and a pull-up resistor.
The polarity of this pin is controlled in the programmer interface. This
input pin is easily inverted using the Xilinx HW-130 programmer software.
Third-party programmers have different methods to invert this pin.
CE 4 10 15 When High, this pin resets the internal address counter , puts the D ATA
output in a high-impedance state, and forces the device into low-ICC
standby mode.
GND 5 11 18, 41 GND is the ground connection.
VCC 7, 8 18, 20 38 The VCC pins are to be connected to the positive voltage supply.
Notes:
1. Pins not listed are reserved and should not be externally connected.
Spartan-II/Spartan-IIE Family of One-Time Programmable Configuration PROMs (XC17S00A)
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Advance Product Specification 1-800-255-7778
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internal address and bit counters which are incremented on
every valid rising edge of CCLK.
If the user-programmable, dual-function DIN pin on the
Spartan device is used only for configuration, it must still be
held at a defined level during normal operation. The
Spartan-II/Spartan-IIE family takes care of this
automatically with an on-chip pull-up/down resistor or
keeper circuit.
The one-time-programmable XC17S00A PROM in Figure 1
supports automatic loading of configuration programs. An early DONE inhibits the PROM data output one CCLK cycle
before the Spartan FPGA I/Os becom e acti ve.
Figure 1: Master Serial Mode
DIN
CCLK
INIT
DONE
XC17S00A
PROM
DATA
CLK
CE
Spartan-II/
Spartan-IIE
Master Serial
(Low Resets the Address Pointer)
DS078_01_110601
CCLK
(Output)
DIN
DOUT
(Output)
OE/RESET
M0
M1
M2
3.3V
3.3K
VCC
VCC
3.3V
3.3K
Notes:
1. If the DriveDone configuration option is not active, pull up DONE with a 3.3kΩ resistor.
Spartan-II/Spartan-IIE Family of One-Time Programmable Configur ation PROMs (XC17S00A)
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Standby Mode
The PROM enters a low-power standby mode whenev er CE
is asser ted High. The output remains in a high-impedance
state regardless of the state of the OE input.
Programming Spartan-II/Spartan-IIE
Family PROMs
The devices can be programmed on programmers supplied
by Xilinx or qualified third-party vendors. The user must
ensure that the appropriate programming algorithm and the
latest version of the programmer software are used. The
wrong choice can permanently damage the device.
Important:
Always tie the two VCC pins together in your application.
Figure 2: Simplified Block Diagram (does not show programming circuit)
Table 2: Truth Table for XC17S00A Control Inputs
Control Inputs
Internal Address(2)
Outputs
RESET(1) CE DATA ICC
Inactive Low If address < TC: increment
If address > TC: don’t change Active
High-Z Active
Reduced
Active Low Held reset High-Z Active
Inactive High Not changing High-Z Standby
Active High Held reset High-Z Standby
Notes:
1. The XC17S00A RESET input has programmable polarity
2. TC = Terminal Count = highest address value. TC + 1 = address 0.
EPROM
Cell
Matrix
Address Counter
CE
DATA
OE
Output
CLK
VCC GND
DS030_02_011300
TC
OE
RESET/
OE/
RESET
or
Spartan-II/Spartan-IIE Family of One-Time Programmable Configuration PROMs (XC17S00A)
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XC17S15A, XC17S30A, XC17S50A, XC17S100A, XC17S150A, XC17S 200A, and
XC17S300A
Absolute Maxim um Ratings(1)
Operating Conditi ons (1)
DC Characteristics Over Operating Condition
Symbol Description Value Units
VCC Supply voltage relative to GND –0.5 to +4.0 V
VIN Input voltage with respect to GND –0.5 to VCC +0.5 V
VTS Voltage applied to High-Z output –0.5 to VCC +0.5 V
TSTG Storage temperature (ambient) –65 to +150
p
C
TSOL Maximum soldering temperature (10s @ 1/16 in.) +260
p
C
Notes:
1. Stresses beyond those listed under Absolute Maximum Ratings might cause permanent damage to the device. These are stress
ratings only, and func tion al operation of the device at these or any other conditi ons beyond thos e li st ed under Operatin g Cond i tions
is not implied. Expo sure to Absolute Maximum Ratings conditions for extended periods of time might affect device reliability.
Symbol Description Min Max Units
VCC Commercial Supply voltage relative to GND (TA = 0
p
C to +70
p
C) 3.0 3.6 V
Industrial Supply voltage relative to GND (TA = –40
p
C to +85
p
C) 3.0 3.6 V
TVCC VCC rise time from 0V to nominal voltage 1.0 50 ms
Notes:
1. During normal read operation, both VCC pins must be connected together.
2. At pow er-up , the de vice requires the VCC power supply to monotonically rise from 0V to nominal voltage within the specified VCC ris e
time. If the power supply cannot meet this requirement, then the device may not perform a power-on-reset properly.
Symbol Description Min Max Units
VIH High-level input voltage 2.0 VCC V
VIL Low-level input voltage 0 0 .8 V
VOH High-level output voltage (IOH = –3 mA) 2.4 - V
VOL Low-level output voltage (IOL = +3 mA) - 0.4 V
ICCA Supply current, active mode (at maximum frequency) - 15 mA
ICCS Supply current, standby mode - 1 m
"
ILInput or output leakage current –10 10
N
A
CIN Input Capacitance (VIN = GND, f = 1.0 MHz) - 10 pF
COUT Output Capacitance (VIN = GND, f = 1.0 MHz) - 10 pF
Spartan-II/Spartan-IIE Family of One-Time Programmable Configur ation PROMs (XC17S00A)
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AC Characteristics Over Operating Condition(1)
RESET/OE
CE
CLK
DATA
TCE
TOE
TLC
TSCE TSCE THCE
THOE
TCAC TOH TDF
TOH
THC
DS0306_03_011300
TCYC
Symbol Description Min Max Units
TOE RESET/OE to Data Delay - 45 ns
TCE CE to Data Delay - 60 ns
TCAC CLK to Data Delay - 80 ns
TOH Data Hold From CE, RESET/OE, or CLK(2) 0-ns
TDF CE or RESE T/OE to Data Float Delay(2,3) -50ns
TCYC Clock Periods 100 - ns
TLC CLK Low Time(2) 50 - ns
THC CLK High Time(2) 50 - ns
TSCE CE Setup Time to CLK (to guarantee proper counting) 25 - ns
THCE CE Hold Time to CLK (to guarantee proper counting) 0 - ns
THOE RESET/OE Hold Time (guarantees counters are reset) 25 - ns
Notes:
1. AC test load = 50 pF
2. Guaranteed by design, not tested.
3. Float delays are measured with 5 pF AC loads. Transition is measured at ±200 mV from steady state active levels.
4. All AC parameters are measured with VIL = 0.0V and VIH = 3.0V.
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Ordering Information
Sparta n-II 3.3V Va l id Orderin g Co mb ina t io ns
XC17S15APD8C XC17S50APD8C XC17S150APD8C
XC17S15AVO8C XC17S50AVO8C XC17S150AVO8C
XC17S15ASO20C XC17S50ASO20C XC17S150ASO20C
XC17S15APD8I XC17S50APD8I XC17S150APD8I
XC17S15AVO8I XC17S50AVO8I XC17S150AVO8I
XC17S15ASO20I XC17S50ASO20I XC17S150ASO20I
XC17S30APD8C XC17S100APD8C XC17S200APD8C
XC17S30AVO8C XC17S100AVO8C XC17S200AVO8C
XC17S30ASO20C XC17S100ASO20C XC17S200AVQ44C
XC17S30APD8I XC17S100APD8I XC17S200APD8I
XC17S30AVO8I XC17S100AVO8I XC17S200AVO8I
XC17S30ASO20I XC17S100ASO20I XC17S200AVQ44I
XC17S300AVQ44C
XC17S300AVQ44I
XC17S15A VO8 C
Operating Range/Processing
C=Commercial (T
A = 0
p
C to +70
p
C)
I = Industrial (TA = –40
p
C to +85
p
C)
Package Type
PD8 = 8-pin Plastic DIP
VO 8 = 8-pin Plasti c Sm all -Ou tli ne Th in Package
SO20 = 20-pin Plastic Small-Outline Package
VQ44 = 44-pin Plastic Quad Flat Package
Device Number
XC17S15A
XC17S30A
XC17S50A
XC17S100A
XC17S150A
XC17S200A
XC17S300A
Spartan-II/Spartan-IIE Family of One-Time Programmable Configur ation PROMs (XC17S00A)
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Marking Information
Due to the small size of the PROM package, the complete
ordering part number cannot be marked on the package. The XC prefix is deleted and the package code is simplified.
Device marking is as follows.
Revision History
The following table shows the revision history for this document.
Date Revision Revision
09/14/00 1.0 Initial Xilinx release.
11/13/00 1.1 Updated configuration bits.
04/07/01 1.2 Added to features: “Guaranteed 20 year life data retention”, removed “Programming the FPGA
with counters” and related text.
06/20/01 1.3 Revised Figure 1 resistor values to match Spartan-II data sheet.
10/09/01 1.4 Added note for unlisted pins, changed ICCA and ICCS, and added power-on supply requirements
and note regarding power-on reset.
11/15/01 1.5 Updated for Spartan-IIE FPGA family.
17S15A V C
Operating Range/Processing
C=Commercial (T
A = 0
p
C to +70
p
C)
I = Industrial (TA = –40
p
C to +85
p
C)
Package Mark
P = 8-pin Plastic DIP
V = 8-pin Plasti c Sm all - Ou tline Th in Package
S = 20-pin Plastic Small-Outline Package
VQ = 44-pin Plastic Quad Flat Package
Device Marking
17S15A
17S30A
17S50A
17S100A
17S150A
17S200A
17S300A
