WS1M32V-20G3MA [WEDC]
1Mx32 SRAM 3.3V MODULE; 1Mx32 3.3V SRAM模块
| 型号： | WS1M32V-20G3MA |
| 厂家： | 
WHITE ELECTRONIC DESIGNS CORPORATION |
| 描述： | 1Mx32 SRAM 3.3V MODULE |
| 文件： | 总6页 (文件大小：306K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WS1M32V-XG3X
White Electronic Designs
PRELIMINARY*
1Mx32 SRAM 3.3V MODULE
FEATURES
ꢀ
ꢀ
ꢀ
3.3V Power Supply
Low Power CMOS
ꢀ
ꢀ
ꢀ
Access Times of 17, 20, 25ns
84 lead, 28mm CQFP, (Package 511)
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Organized as two banks of 512Kx32, User
Configurable as 2Mx16 or 4Mx8
ꢀ
Weight - WS1M32V-XG3X - 20 grams typical
ꢀ
ꢀ
Commercial, Industrial and Military Temperature
Ranges
*This product is under development, is not qualified or characterized and is subject to
change without notice.
TTL Compatible Inputs and Outputs
PIN CONFIGURATION FOR WS1M32V-XG3X
TOP VIEW
PIN DESCRIPTION
I/O0-31
A0-18
Data Inputs/Outputs
Address Inputs
11 10
WE#1-4 Write Enables
9
8 7 6 5 4 3 2 1 84 83 82 81 80 79 78 77
76 75
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
V
CC
GND
NC
NC
NC
NC
NC
NC
NC
NC
CS#1-2
OE#1-4
VCC
GND
NC
Chip Selects
A
A
A
A
A
A
A
0
1
2
3
4
5
6
1
2
3
4
Output Enables
+3.3V Power Supply
Ground
Not Connected
OE#
OE#
OE#
OE#
WE#
WE#
WE#
WE#
NC
4
3
2
1
BLOCK DIAGRAM
NC
A7
A8
A9
NC
OE#1 WE#1
OE#2 WE#2
OE#3 WE#3
OE#4 WE#4
A
A
A
A
A
V
18
17
16
15
14
CC
A
A
A
A
GND
10
11
CS#1
A0-18
12
13
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
512K x 8
512K x 8
512K x 8
512K x 8
512K x 8
512K x 8
512K x 8
512K x 8
8
8
8
8
CS#2
I/O0-7
I/O8-15
I/O16-23
I/O24-31
Note: CS#1& CS#2 are used as bank select
The WEDC 84 lead G3 CQFP fills the same fit 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"
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS1M32V-XG3X
White Electronic Designs
PRELIMINARY
ABSOLUTE MAXIMUM RATINGS
TRUTH TABLE
Parameter
Symbol
TA
Min
-55
-65
-0.5
Max
125
+150
4.6
Unit
°C
°C
V
°C
V
CS#
H
L
L
L
OE#
X
L
X
H
WE#
X
Mode
Data I/O
High Z
Data Out
Data In
High Z
Power
Standby
Active
Active
Active
Operating Temperature
Storage Temperature
Signal Voltage Relative to GND
Junction Temperature
Supply Voltage
Standby
Read
TSTG
VG
H
L
Write
TJ
VCC
150
4.6
H
Out Disable
-0.5
RECOMMENDED OPERATING CONDITIONS
CAPACITANCE
TA = +25°C
Parameter
Symbol
VCC
Min
3.0
Max
3.6
Unit
V
Parameter
Symbol Conditions
Max Unit
Supply Voltage
Input High Voltage
Input Low Voltage
OE#1-4 capacitance
WE#1-4 capacitance CWE
CS#1-2 capacitance CCS
Data I/O capacitance CI/O
COE
VIN = 0V, f = 1.0MHz
VIN = 0V, f = 1.0MHz
VIN = 0V, f = 1.0MHz
VI/O = 0V, f = 1.0MHz 20
VIN = 0V, f = 1.0MHz 70
20
20
50
pF
pF
pF
pF
pF
VIH
VIL
2.2
-0.3
VCC + 0.3
+0.8
V
V
Address input
capacitance
CAD
This parameter is guaranteed by design, but not tested.
DC CHARACTERISTICS
VCC = 3.3V ꢀ.3V, -55°C ≤ TA ≤ +125°C
Parameter
Input Leakage Current
Output Leakage Current
Operating Supply Current (x 32 Mode)
Standby Current
Output Low Voltage
Symbol
ILI
ILO
ICC x 32
ISB
VOL
Conditions
VIN = GND to VCC
CS# = VIH, OE# = VIH, VOUT = GND to VCC
CS# = VIL, OE# = VIH, f = 5MHz, VCC = 3.6V
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 3.6V
IOL = 4.0mA
Min
Max
10
10
520
400
0.4
Units
µA
µA
mA
mA
V
Output High Voltage
VOH
IOH = -4.0mA
2.4
V
NOTE: DC test conditions: VIH = VCC -ꢀ.3V, VIL = ꢀ.3V
Contact Factory for low power option.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
2
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS1M32V-XG3X
White Electronic Designs
PRELIMINARY
AC CHARACTERISTICS
VCC = 3.3V, GND = ꢀV, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle
-17
-20
-25
Symbol
Units
Min
Max
Min
Max
Min
Max
Read Cycle Time
Address Access Time
Output Hold from Address Change
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
1. This parameter is guaranteed by design but not tested.
tRC
tAA
17
20
25
ns
ns
ns
ns
ns
ns
ns
ns
ns
17
20
25
tOH
tACS
tOE
0
0
0
17
10
20
10
25
12
1
tCLZ
1
0
1
0
1
0
1
tOLZ
tCHZ
tOHZ
1
12
12
12
12
12
12
1
AC CHARACTERISTICS
VCC = 3.3V, GND = ꢀV, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle
Write Cycle Time
Chip Select to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
Address Hold Time
-17
-20
-25
Symbol
Units
Min
17
15
15
11
15
2
Max
Min
20
15
15
12
15
2
Max
Min
Max
tWC
tCW
tAW
tDW
tWP
tAS
25
17
17
13
17
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tAH
0
2
0
3
0
4
1
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
tOW
tWHZ
tDH
1
9
11
13
0
0
0
1. This parameter is guaranteed by design but not tested.
AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter
Typ
Unit
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
V
IL = ꢀ, VIH = 2.5
V
ns
V
IOL
5
1.5
1.5
Current Source
V
Notes:
VZ 1.5V
(Bipolar Supply)
D.U.T.
VZ is programmable from -2V to +7V.
Ceff = 50 pf
I
OL & IOH programmable from ꢀ to 16mA.
Tester Impedance Zꢀ = 75.
VZ is typically the midpoint of VOH and VOL
I
.
OL & IOH are adjusted to simulate a typical resistive load circuit.
IOH
ATE tester includes jig capacitance.
Current Source
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS1M32V-XG3X
White Electronic Designs
PRELIMINARY
TIMING WAVEFORM - READ CYCLE
tRC
ADDRESS
CS#
tAA
tRC
ADDRESS
DATA I/O
tACS
tCLZ
tAA
tCHZ
tOH
PREVIOUS DATA VALID
READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH
OE#
tOE
tOLZ
DATA VALID
tOHZ
DATA I/O
DATA VALID
)
HIGH IMPEDANCE
READ CYCLE 2 (WE# = VIH
)
WRITE CYCLE - WE# CONTROLLED
tWC
ADDRESS
tAW
tAH
tCW
CS#
WE#
tAS
tWP
tOW
tDW
tDH
tWHZ
DATA I/O
DATA VALID
WRITE CYCLE 1, WE# CONTROLLED
WRITE CYCLE - CS# CONTROLLED
tWC
ADDRESS
tAW
tAS
t
AH
tCW
CS#
tWP
WE#
tDW
tDH
DATA I/O
DATA VALID
WRITE CYCLE 2, CS# CONTROLLED
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS1M32V-XG3X
White Electronic Designs
PRELIMINARY
PACKAGE 511: 84 LEAD, CERAMIC QUAD FLAT PACK (G3)
4.29 (0.169)
0.28 (0.011)
4.12 (0.162) 0.20 (0.008)
30.23 (1.190) 0.25 (0.010) SQ
27.18 (1.070) 0.25 (0.010) SQ
0.25 (0.010)
0.03 (0.002)
R 0.127
(0.005) MIN
29.11 (1.146)
0.25 (0.010)
0.19 (0.008)
0.06 (0.003)
1/7
1.02 (0.040)
0.12 (0.005)
DETAIL A
SEE DETAIL “A”
0.38 (0.015)
0.05 (0.002)
0.27 (0.011)
0.04 (0.001)
1.27 (0.050)
TYP
25.40 (1.000) TYP
The WEDC 84 lead G3 CQFP fills the same fit 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"
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WS1M32V-XG3X
White Electronic Designs
PRELIMINARY
ORDERING INFORMATION
W S 1M32 V - XX G3 X X
LEAD FINISH:
Blank
A
=
=
Gold plated leads
Solder dip leads
DEVICE GRADE:
M
C
I
=
=
=
Military
Commercial
Industrial
-55°C to +125°C
-40°C to +85°C
0° to +70°C
PACKAGE TYPE:
G3 = 28 mm CQFP (Package 511)
ACCESS TIME (ns)
Low Voltage Supply 3.3V 10ꢀ
ORGANIZATION, two banks of 512Kx32
User configurable as 2Mx16 or 4Mx8
SRAM
WHITE ELECTRONIC DESIGNS CORP.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
February, 2001
Rev. 5
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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