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参数资料
| 型号： | WPS256K16C-17LJIGA |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | SRAM |
| 英文描述： | 256K X 16 STANDARD SRAM, 17 ns, PDSO44 |
| 封装： | ROHS COMPLIANT, PLASTIC, SOJ-44 |
| 文件页数： | 2/8页 |
| 文件大小： | 602K |
| 代理商： | WPS256K16C-17LJIGA |
2
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
EDI816256CA-XM44XG
WPS256K16X-XLJXG
March 2009
Rev. 1
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:
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#
LB#
UB#
Mode
Data I/O
Power
I/O1-8
I/O9-16
H
X
Not Select
High-Z
Standyby
LH
H
X
Out Disable
High-Z
Active
L
HHH
LH
L
LH
Read
Data Out
High Z
Active
H
L
High Z
Data Out
L
Data Out
LL
X
LH
Write
Data In
High Z
Active
H
L
High Z
Data In
L
Data In
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
μA
Output Leakage Current
ILO
CS = VIH, OE = VIH, VOUT = VSS to VCC
10
μA
VCC Read Current (1, 2)
ICC
CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5
275
mA
VCC Standby Current (2, 5)
IBS
CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5
17
mA
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
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