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參數(shù)資料
| 型號(hào)： | WPS512K8C-25RJM |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | SRAM |
| 英文描述： | 512K X 8 STANDARD SRAM, 25 ns, PDSO36 |
| 封裝： | PLASTIC, SOJ-36 |
| 文件頁(yè)數(shù)： | 2/2頁(yè) |
| 文件大?。?/td> | 248K |
| 代理商： | WPS512K8C-25RJM |
2
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WPS512K8X-XRJX
June 2007
Rev.4
White Electronic Designs Corp. reserves the right to change products or specications without notice.
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Min
Max
Unit
Operating Temperature (Mil.)
TA
-55
+125
°C
Operating Temperature (Ind.)
TA
-40
+85
°C
Storage Temperature
TSTG
-65
+150
°C
Signal Voltage Relative to VSS
VG
-0.5
VCC + 0.5
V
Supply Voltage
VCC
-0.5
7.0
V
NOTES:
1. Minimum DC voltage is -0.5V on input/output pins. During transitions, this level
may undershoot to -2.0V for periods <20ns. Maximum DC voltage on input/output
pins is VCC + 0.5V which, during transitions, may overshoot to VCC + 2.0V for
periods <20ns.
2. Minimum DC input voltage on pins A9, OE#, and RESET is -0.5V. During voltage
transitions, A9, OE#, and RESET may undershoot Vss to -2.0V for periods of up
to 20ns. See Figure 6. Maximum DC input voltage on pin A9 is +12.5V which may
overshoot to +13.5V for periods up to 20ns.
3. Output shorted for no more than one second. No more than one output shorted
at a time.
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. This is a Stress rating only and functional operation of the device
at these or any other conditions above those indicated in the operational sections of
this specication is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input High Voltage
VIH
2.2
VCC + 0.5
V
Input Low Voltage
VIL
-0.3
+0.8
V
Operating Temp. (Mil.)
TA
-55
+125
°C
Operating Temp. (Ind.)
TA
-40
+85
°C
CAPACITANCE
TA = +25°C
Parameter
Symbol
Conditions
Max Unit
Input capacitance
CIN
VIN = 0V, f = 1.0 MHz
6pF
Output capacitance
COUT
VIN = 0V, f = 1.0 MHz
8pF
This parameter is guaranteed by design but not tested.
TRUTH TABLE
CS
WE#
OE#
Mode
I/O Pin
VCC Current
H
X
Power Down
High-Z
ISB
L
H
Out Disable
High-Z
ICC
L
H
L
Read
DOUT
ICC
L
X
Write
DIN
ICC
DC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, TA = -55 +125°C
Parameter
Symbol
Conditions
Min
Max
Unit
Input Leakage Current
ILI
VCC = 5.5, VIN = VSS to VCC
10
A
Output Leakage Current
ILO
CS = VIH, OE = VIH, VOUT = VSS to VCC
10
A
VCC Read Current (1, 2)
ICC
CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5
180
mA
VCC Standby Current (2, 5)
IBS
CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5
15
A
Output Low Voltage
VOL
IOL = 8.0MA, VCC = 4.5
0.4
V
Output High Voltage
VOH
IOH = -4.0MA, VCC = 4.5
2.4
V
NOTES: DC test conditions: VIL = 0.3V, VIH = Vcc -0.3V
Data Retention Characteristics
(WPS512K8L-XRJX Only)
(TA = -55°C TO +125°C)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Data Retention Supply Voltage
ILI
VCC = 5.5, VIN = VSS to VCC
2.0
5.5
V
Low Power Data Retention
ILO
CS = VIH, OE = VIH, VOUT = VSS to VCC
300
800
A
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