參數(shù)資料
型號(hào)： WS128K32-70H1CA
廠商： WHITE ELECTRONIC DESIGNS CORP
元件分類： SRAM
英文描述： 128K X 32 MULTI DEVICE SRAM MODULE, 70 ns, CPGA66
封裝： 1.075 X 1.075 MM, CERAMIC, PGA-66
文件頁數(shù)： 3/9頁
文件大小： 379K
代理商： WS128K32-70H1CA
3
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WS128K32-XXX
June 2004
Rev. 4
DATA RETENTION CHARACTERISTICS
-55°C ≤ TA ≤ +125°C
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
VCC+0.5
V
Junction Temperature
TJ
150
°C
Supply Voltage
VCC
-0.5
7.0
V
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input High Voltage
VIH
2.2
VCC + 0.3
V
Input Low Voltage
VIL
-0.5
+0.8
V
CS
OE
WE
Mode
Data I/O
Power
H
X
Standby
High Z
Standby
L
H
Read
Data Out
Active
L
X
L
Write
Data In
Active
L
H
Out Disable
High Z
Active
CAPACITANCE
TA = +25°C
Parameter
Symbol
Conditions
Max Unit
OE# capacitance
COE
VIN = 0V, f = 1.0 MHz
50
pF
WE1-4# capacitance
HIP (PGA)
CWE
VIN = 0V, f = 1.0 MHz
20
pF
CQFP G4T
50
CQFP G2U
15
CS1-4# capacitance
CCS
VIN = 0V, f = 1.0 MHz
20
pF
Data# I/O capacitance
CI/O
VI/O = 0V, f = 1.0 MHz
20
pF
Address input capacitance
CAD
VIN = 0V, f = 1.0 MHz
50
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Sym
Conditions
-70
-85
-100
-120
Units
Min
Max
Min
Max
Min
Max
Min
Max
Input Leakage Current
ILI
VCC = 5.5, VIN = GND to VCC
10
A
Output Leakage Current
ILO
CS# = VIH, OE# = VIH, VOUT = GND to VCC
10
A
Operating Supply Current
ICC
CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5
120
mA
Standby Current
ISB
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5
20
mA
Output Low Voltage
VOL
IOL = 2.1mA, VCC = 4.5
0.4
V
Output High Voltage
VOH
IOH = -1.0mA, VCC = 4.5
2.4
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
Parameter
Sym
Conditions
-70
-85
-100
-120
Units
Min
Max
Min
Max
Min
Max
Min
Max
Data Retention Supply Voltage
VDR
CS
≥VCC -0.2V
2.0
5.5
2.0
5.5
2.0
5.5
2.0
5.5
V
Data Retention Current
ICCDR1
VCC = 3V
4444
mA
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