1White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
128Kx32 3.3V SRAM MODULE
3.3 Volt Power Supply
Low Power CMOS
TTL Compatible Inputs and Outputs
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight
WS128K32V-XG2UX - 8 grams typical
WS128K32NV-XH1X - 13 grams typical
* This product is subject to change without notice.
** Commercial and Industrial only.
FEATURES
Access Times of 15**, 17, 20, 25, 35ns
MIL-STD-883 Compliant Devices Available
Low Voltage Operation
Packaging
• 66-pin, PGA Type, 1.075 inch square Hermetic
Ceramic HIP (Package 400)
• 68 lead, Hermetic CQFP (G2U), 22.4mm (0.880
inch) square (Package 510), 3.56mm (0.140 inch)
high.
Organized as 128Kx32; User Confi gurable as
256Kx16 or 512Kx8
Commercial, Industrial and Military Temperature
Ranges
FIGURE 1 – PIN CONFIGURATION FOR WS128K32NV-XH1X
Pin Description
Top View
Block Diagram
WE
1
#CS
1
#CS
2
#CS
3
#CS
4
#WE
4
#WE
3
#WE
2
#
128K x 8 128K x 8 128K x 8 128K x 8
OE#
A
0-16
I/O
0-7
I/O
24-31
I/O
16-23
I/O
8-15
8888
I/O0-31 Data Inputs/Outputs
A0-16 Address Inputs
WE1-4# Write Enables
CS1-4# Chip Selects
OE# Output Enable
VCC Power Supply
GND Ground
NC Not Connected
I/O8
I/O9
I/O10
A13
A14
A15
A16
NC
I/O0
I/O1
I/O2
WE2#
CS2#
GND
I/O11
A10
A11
A12
VCC
CS1#
NC
I/O3
I/O15
I/O14
I/O13
I/O12
OE#
NC
WE1#
I/O7
I/O6
I/O5
I/O4
I/O24
I/O25
I/O26
A6
A7
NC
A8
A9
I/O16
I/O17
I/O18
VCC
CS4#
WE4#
I/O27
A3
A4
A5
WE3#
CS3#
GND
I/O19
I/O31
I/O30
I/O29
I/O28
A0
A1
A2
I/O23
I/O22
I/O21
I/O20
11 22 33 44 55 66
1 12 23 34 45 56
2White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
Pin Description
Block Diagram
FIGURE 2 – PIN CONFIGURATION FOR WS128K32V-XG2UX
Top View
WE1#CS
1#CS
2#CS
3#CS
4#WE4#WE3#WE2#
128K x 8 128K x 8 128K x 8 128K x 8
OE#
A
0-16
I/O
0-7
I/O
24-31
I/O
16-23
I/O
8-15
8888
I/O
0
I/O
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
I/O
29
I/O
30
I/O
31
V
CC
A
11
A
12
A
13
A
14
A
15
A
16
CS
1
#
OE#
CS
2
#
NC
WE
2
#
WE
3
#
WE
4
#
NC
NC
NC
NC
A
0
A
1
A
2
A
3
A
4
A
5
CS
3
#
GND
CS
4
#
WE
1
#
A
6
A
7
A
8
A
9
A
10
V
CC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
I/O0-31 Data Inputs/Outputs
A0-16 Address Inputs
WE1-4# Write Enables
CS1-4# Chip Selects
OE# Output Enable
VCC Power Supply
GND Ground
NC Not Connected
3White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
TRUTH TABLE
CS OE WE Mode Data I/O Power
H X X Standby High Z Standby
L L H Read Data Out Active
L X L Write Data In Active
L H H Out Disable High Z Active
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Min Max Unit
Operating Temperature TA-55 +125 °C
Storage Temperature TSTG -65 +150 °C
Signal Voltage Relative to GND VG-0.5 4.6 V
Junction Temperature TJ150 °C
Supply Voltage VCC -0.5 5.5 V
RECOMMENDED OPERATING CONDITIONS
Parameter Symbol Min Max Unit
Supply Voltage VCC 3.0 3.6 V
Input High Voltage VIH 2.2 VCC + 0.3 V
Input Low Voltage VIL -0.3 +0.8 V
CAPACITANCE
TA = +25°C, VIN = 0V, F = 1.0 MHz
Parameter
Symbol
Max Unit
OE# capacitance COE 50 pF
WE1-4# capacitance
HIP (PGA)
CWE
20
pF
CQFP G2U 15
CS1-4# capacitance CCS 20 pF
Data# I/O capacitance CI/O 20 pF
Address input capacitance CAD 50 pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
VCC = 3.3V ±0.3V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter Sym Conditions Min Max Units
Input Leakage Current ILI VIN = GND to VCC 10 μA
Output Leakage Current ILO CS# = VIH, OE# = VIH, VOUT = GND to VCC 10 μA
Operating Supply Current ICC x 32 CS# = VIL, OE# = VIH, f = 5MHz 500 mA
Standby Current ISB CS# = VIH, OE# = VIH, f = 5MHz 32 mA
Output Low Voltage VOL IOL = 6mA 0.4 V
Output High Voltage VOH IOH = -4.0mA 2.4 V
4White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
FIGURE 3 – AC TEST CIRCUIT
AC Test Conditions
AC Characteristics
VCC = 3.3V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle Symbol -15* -17 -20 -25 -35 Units
Min Max Min Max Min Max Min Max Min Max
Write Cycle Time tWC 15 17 20 25 35 ns
Chip Select to End of Write tCW 13 14 15 20 30 ns
Address Valid to End of Write tAW 13 14 15 20 30 ns
Data Valid to End of Write tDW 10 11 12 15 18 ns
Write Pulse Width tWP 13 14 15 20 30 ns
Address Setup Time tAS 00000 ns
Address Hold Time tAH 00000 ns
Output Active from End of Write tOW155555ns
Write Enable to Output in High Z tWHZ18 9 10 10 15 ns
Data Hold Time tDH 00000ns
1. This parameter is guaranteed by design but not tested.
* Commercial and Industrial only.
I
Current Source
D.U.T.
C = 50 pf
eff
I
OL
V
1.5V
(Bipolar Supply)
Z
Current Source
OH
AC CHARACTERISTICS
VCC = 3.3V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle Symbol -15* -17 -20 -25 -35 Units
Min Max Min Max Min Max Min Max Min Max
Read Cycle Time tRC 15 17 20 25 35 ns
Address Access Time tAA 15 17 20 25 35 ns
Output Hold from Address Change tOH 00000 ns
Chip Select Access Time tACS 15 17 20 25 35 ns
Output Enable to Output Valid tOE 10 11 12 15 20 ns
Chip Select to Output in Low Z tCLZ155555ns
Output Enable to Output in Low Z tOLZ155555ns
Chip Disable to Output in High Z tCHZ18 9 10 12 15 ns
Output Disable to Output in High Z tOHZ18 9 10 12 15 ns
1. This parameter is guaranteed by design but not tested.
* Commercial and Industrial only.
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75 ý.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
Parameter Typ Unit
Input Pulse Levels VIL = 0, VIH = 3.0 V
Input Rise and Fall 5 ns
Input and Output Reference Level 1.5 V
Output Timing Reference Level 1.5 V
5White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
WS32K32-XHX
READ CYCLE 2, (CS# = OE# = V
IL
, WE# = V
IH
)
READ CYCLE 2 (WE# = V
IH
)
CS#
OE#
WRITE CYCLE 1, WE# CONTROLLED
CS#
WE#
WRITE CYCLE 2, CS# CONTROLLED
CS#
WE#
FIGURE 4 – TIMING WAVEFORM - READ CYCLE
FIGURE 6 – WRITE CYCLE - CS# CONTROLLED
FIGURE 5 – WRITE CYCLE - WE# CONTROLLED
6White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
PACKAGE 400: 66 PIN, PGA TYPE, CERAMIC HEX-IN-LINE PACKAGE, HIP (H1)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
4.60 (0.181)
7White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
PACKAGE 510: 68 LEAD, LOW PROFILE CERAMIC QUAD FLAT PACK, CQFP (G2U)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
8White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
White Electronic Designs
WS128K32V-XXX
March 2006
Rev. 8
W S 128K 32 X V - XXX X X X
LEAD FINISH:
Blank = Gold plated leads
A = Solder dip leads
DEVICE GRADE:
M = Military Screened -55°C to +125°C
I = Industrial -40°C to +85°C
C = Commercial 0°C to +70°C
PACKAGE TYPE:
H1 = Ceramic Hex-In-line Package, HIP (Package 400)
G2U = 22.4mm Ceramic Quad Flat Pack, Low Profi le CQFP (Package 510)
ACCESS TIME (ns)
LOW VOLTAGE SUPPLY 3.3V ± 10%
IMPROVEMENT MARK:
N = No Connect at pins 8, 21, 28, 39 in HIP for upgrade. (H1 only)
ORGANIZATION, 128Kx32
User confi gurable as 256Kx16 or 512Kx8
SRAM
WHITE ELECTRONIC DESIGNS CORP.
