參數(shù)資料
型號(hào)： WS512K32-120G2TQ
廠商： WHITE ELECTRONIC DESIGNS CORP
元件分類： SRAM
英文描述： 512K X 32 MULTI DEVICE SRAM MODULE, 120 ns, CQFP68
封裝： 22.40 X 22.40 MM, 4.57 MM HEIGHT, HERMETIC SEALED, CERAMIC, QFP-68
文件頁(yè)數(shù)： 2/6頁(yè)
文件大小： 317K
代理商： WS512K32-120G2TQ
WS512K32-XXX
2
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
March 2005
Rev. 4
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
VCC+0.5
V
Junction Temperature
TJ
150
°C
Supply Voltage
VCC
-0.5
7.0
V
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
Operating Temp (Mil)
TA
-55
+125
°C
CAPACITANCE
TA = +25°C
Parameter
Symbol Conditions
Max Unit
OE# capacitance
COE
VIN = 0 V, f = 1.0 MHz
50
pF
WE#1-4 capacitance
CWE
VIN = 0 V, f = 1.0 MHz
15
pF
CQFP G2T
CS#1-4 capacitance
CCS
VIN = 0 V, f = 1.0 MHz
20
pF
Data I/O capacitance
CI/O
VI/O = 0 V, f = 1.0 MHz
20
pF
Address input capacitance
CAD
VIN = 0 V, f = 1.0 MHz
50
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
(VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C)
Parameter
Symbol
Conditions
Min
Max
Units
Input Leakage Current
ILI
VCC = 5.5, 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 = 5.5
200
mA
Standby Current
ISB
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5
4.0
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
DATA RETENTION CHARACTERISTICS
(TA = -55°C to +125°C)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Data Retention Supply Voltage
VDR
CS# VCC -0.2V
2.0
5.5
V
Data Retention Current
ICCDR1
VCC = 3V
0.4
1.6
mA
TRUTH TABLE
CS#
OE#
WE#
Mode
Data I/O
Power
H
X
Standby
High Z
Standby
L
H
Read
Data Out
Active
L
H
Out Disable
High Z
Active
L
X
L
Write
Data In
Active
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