WS1M32V-XG3X
1White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
February, 2001
Rev. 5
PRELIMINARY*
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
9
VCC
A0
A1
A2
A3
A4
A5
A6
OE#1
OE#2
OE#3
OE#4
NC
A7
A8
A9
A10
A11
A12
A13
GND
VCC
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
CS#1
NC
CS#2
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
WE#4
WE#3
WE#2
WE#1
NC
NC
A18
A17
A16
A15
A14
VCC
GND
I/O31
I/O30
I/O29
I/O28
I/O27
I/O26
I/O25
I/O24
NC
NC
NC
I/O23
I/O22
I/O21
I/O20
I/O19
I/O18
I/O17
I/O16
VCC
8 7 6 5 4 3 1 84838281807978772
37 38 39 40 41 42 43 45 46 47 48 49 50 51 52 5344
76 75
11 10
33 34 35 36
1Mx32 SRAM 3.3V MODULE
FEATURES
Access Times of 17, 20, 25ns
84 lead, 28mm CQFP, (Package 511)
Organized as two banks of 512Kx32, User
Confi gurable as 2Mx16 or 4Mx8
Commercial, Industrial and Military Temperature
Ranges
TTL Compatible Inputs and Outputs
PIN CONFIGURATION FOR WS1M32V-XG3X
PIN DESCRIPTION
I/O0-31 Data Inputs/Outputs
A0-18 Address Inputs
WE#1-4 Write Enables
CS#1-2 Chip Selects
OE#1-4 Output Enables
VCC +3.3V Power Supply
GND Ground
NC Not Connected
TOP VIEW
3.3V Power Supply
Low Power CMOS
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight - WS1M32V-XG3X - 20 grams typical
*This product is under development, is not qualifi ed or characterized and is subject to
change without notice.
BLOCK DIAGRAM
8
I/O0-7
CS#1
I/O8-15
CS#2
I/O16-23 I/O24-31
A0-18
WE#1
8
2M x 8
8
512K x 8
8
512K x 8
2M x 8
512K x 8
512K x 8
2M x 8
512K x 8
512K x 8
2M x 8
512K x 8
512K x 8
OE#1 WE#2 OE#2 WE#3 OE#3 WE#4 OE#4
Note: CS#1& CS#2 are used as bank select
The WEDC 84 lead G3 CQFP fi lls the same fi t and function as the JEDEC 84 lead
CQFJ or 84 PLCC. But the G3 has the TCE and lead inspection advantage of the
CQFP form.
1.146"
WS1M32V-XG3X
2White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
February, 2001
Rev. 5
PRELIMINARY
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 4.6 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
DC CHARACTERISTICS
VCC = 3.3V ± 0.3V, -55°C ≤ TA ≤ +125°C
Parameter Symbol 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 (x 32 Mode) ICC x 32 CS# = VIL, OE# = VIH, f = 5MHz, VCC = 3.6V 520 mA
Standby Current ISB CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6V 400 mA
Output Low Voltage VOL IOL = 4.0mA 0.4 V
Output High Voltage VOH IOH = -4.0mA 2.4 V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
Contact Factory for low power option.
CAPACITANCE
TA = +25°C
Parameter Symbol Conditions Max Unit
OE#1-4 capacitance COE VIN = 0V, f = 1.0MHz 20 pF
WE#1-4 capacitance CWE VIN = 0V, f = 1.0MHz 20 pF
CS#1-2 capacitance CCS VIN = 0V, f = 1.0MHz 50 pF
Data I/O capacitance CI/O VI/O = 0V, f = 1.0MHz 20 pF
Address input
capacitance
CAD VIN = 0V, f = 1.0MHz 70 pF
This parameter is guaranteed by design, but not tested.
WS1M32V-XG3X
3White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
February, 2001
Rev. 5
PRELIMINARY
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75.
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.
I
OH
Current Source
D.U.T.
C
eff
= 50 pf
I
OL
V
Z
1.5V
(Bipolar Supply)
Current Source
AC TEST CONDITIONS
Parameter Typ Unit
Input Pulse Levels VIL = 0, VIH = 2.5 V
Input Rise and Fall 5 ns
Input and Output Reference Level 1.5 V
Output Timing Reference Level 1.5 V
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter Symbol -17 -20 -25 Units
Read Cycle Min Max Min Max Min Max
Read Cycle Time tRC 17 20 25 ns
Address Access Time tAA 17 20 25 ns
Output Hold from Address Change tOH 000ns
Chip Select Access Time tACS 17 20 25 ns
Output Enable to Output Valid tOE 10 10 12 ns
Chip Select to Output in Low Z tCLZ1111ns
Output Enable to Output in Low Z tOLZ1000ns
Chip Disable to Output in High Z tCHZ112 12 12 ns
Output Disable to Output in High Z tOHZ112 12 12 ns
1. This parameter is guaranteed by design but not tested.
AC CHARACTERISTICS
VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter Symbol -17 -20 -25 Units
Write Cycle Min Max Min Max Min Max
Write Cycle Time tWC 17 20 25 ns
Chip Select to End of Write tCW 15 15 17 ns
Address Valid to End of Write tAW 15 15 17 ns
Data Valid to End of Write tDW 11 12 13 ns
Write Pulse Width tWP 15 15 17 ns
Address Setup Time tAS 22 2ns
Address Hold Time tAH 00 0ns
Output Active from End of Write tOW123 4ns
Write Enable to Output in High Z tWHZ191113ns
Data Hold Time tDH 00 0ns
1. This parameter is guaranteed by design but not tested.
AC TEST CIRCUIT
WS1M32V-XG3X
4White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
February, 2001
Rev. 5
PRELIMINARY
TIMING WAVEFORM - READ CYCLE
WRITE CYCLE - CS# CONTROLLED
ADDRESS
DATA I/O
WRITE CYCLE 2, CS# CONTROLLED
t
AW
t
AS
t
CW
t
AH
t
WP
t
DH
t
DW
t
WC
CS#
WE#
DATA VALID
ADDRESS
DATA I/O
READ CYCLE 2 (WE# = V
IH
)
t
AA
t
ACS
t
OE
t
CLZ
t
OLZ
t
OHZ
t
RC
DATA VALID
HIGH IMPEDANCE
CS#
OE#
t
CHZ
ADDRESS
DATA I/O
READ CYCLE 1 (CS# = OE# = V
IL
, WE# = V
IH
)
t
AA
t
OH
t
RC
DATA VALIDPREVIOUS DATA VALID
ADDRESS
DATA I/O
WRITE CYCLE 1, WE# CONTROLLED
tAW
tCW tAH
tWP
tDW
tWHZ
tAS
tOW
tDH
tWC
DATA VALID
CS#
WE#
WRITE CYCLE - WE# CONTROLLED
WS1M32V-XG3X
5White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
February, 2001
Rev. 5
PRELIMINARY
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 511: 84 LEAD, CERAMIC QUAD FLAT PACK (G3)
30.23 (1.190) ± 0.25 (0.010) SQ
27.18 (1.070) ± 0.25 (0.010) SQ
1.27 (0.050)
TYP
25.40 (1.000) TYP
0.27 (0.011) ±
0.04 (0.001)
SEE DETAIL “A”
DETAIL A
1/7
29.11 (1.146) ±
0.25 (0.010) 0.19 (0.008) ±
0.06 (0.003)
0.25 (0.010) ±
0.03 (0.002)
4.29 (0.169) ±
0.28 (0.011)
4.12 (0.162) ± 0.20 (0.008)
R 0.127
(0.005) MIN
1.02 (0.040) ±
0.12 (0.005)
0.38 (0.015) ±
0.05 (0.002)
The WEDC 84 lead G3 CQFP fi lls the same fi t and
function as the JEDEC 84 lead CQFJ or 84 PLCC. But
the G3 has the TCE and lead inspection advantage of
the CQFP form.
1.146"
WS1M32V-XG3X
6White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
February, 2001
Rev. 5
PRELIMINARY
W S 1M32 V - XX G3 X X
ORDERING INFORMATION
LEAD FINISH:
Blank = Gold plated leads
A = Solder dip leads
DEVICE GRADE:
M = Military -55°C to +125°C
C = Commercial -40°C to +85°C
I = Industrial 0° to +70°C
PACKAGE TYPE:
G3 = 28 mm CQFP (Package 511)
ACCESS TIME (ns)
Low Voltage Supply 3.3V ± 10%
ORGANIZATION, two banks of 512Kx32
User confi gurable as 2Mx16 or 4Mx8
SRAM
WHITE ELECTRONIC DESIGNS CORP.
