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参数资料
| 型号： | WS57C256F-55T |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | PROM |
| 英文描述： | 32K X 8 UVPROM, 55 ns, CDIP28 |
| 封装： | 0.300 INCH, CERDIP-28 |
| 文件页数： | 2/5页 |
| 文件大小： | 49K |
| 代理商： | WS57C256F-55T |
DC READ CHARACTERISTICS Over Operating Range with V
PP = VCC
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
MAX
UNITS
VIL
Input Low Voltage
(Note 4)
– 0.1
0.8
V
VIH
Input High Voltage
(Note 4)
2.0
VCC + 0.3
V
VOL
Output Low Voltage
IOL = 16 mA
0.4
V
VOH
Output High Voltage
IOH = – 4 mA
2.4
V
ISB1
VCC Standby Current (CMOS)
CE = VCC ± 0.3 V
Comm'l
200
A
(Note 1)
Ind/Mil
500
A
ISB2
VCC Standby Current (TTL)
CE = VIH (Note 2)
Comm'l
3
mA
Ind/Mil
5
mA
ICC1
VCC Active Current (CMOS)
(Notes 1 and 3)
Comm'l
25
mA
Outputs Not Loaded
Ind/Mil
30
mA
(Notes 2 and 3)
Comm'l
50
mA
ICC2
VCC Active Current (TTL)
Outputs Not Loaded
Ind/Mil
60
mA
IPP
VPP Supply Current
VPP = VCC
100
A
VPP
VPP Read Voltage
VCC – 0.4
VCC
V
ILI
Input Leakage Current
VIN = 5.5V or Gnd
–10
10
A
ILO
Output Leakage Current
VOUT = 5.5 V or Gnd
–10
10
A
AC READ CHARACTERISTICS Over Operating Range. with V
PP = VCC
PARAMETER
SYMBOL
57C256F-35
57C256F-45
57C256F-55
57C256F-70
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
Address to Output Delay
tACC
35
45
55
70
CE to Output Delay
tCE
35
45
55
70
OE to Output Delay
tOE
15
20
25
30
ns
Output Disable to Output Float
tDF
20
25
30
Address to Output Hold
tOH
0000
OPERATING RANGE
RANGE
TEMPERATURE
VCC
Commercial
0°C to +70°C
+5V ± 10%
Industrial
–40°C to +85°C
+5V ± 10%
Military
–55°C to +125°C
+5V ± 10%
WS57C256F
3-14
ABSOLUTE MAXIMUM RATINGS*
Storage Temperature............................–65° to + 150°C
Voltage on any Pin with
Respect to Ground ....................................–0.6V to +7V
VPP and A9 with Respect to Ground ......–0.6V to + 14V
ESD Protection ..................................................
>2000V
*NOTICE:
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
specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of
time may affect device reliability.
NOTES:
1. CMOS inputs: GND ± 0.3V or VCC ± 0.3V.
4. These are absolute voltages with respect to device ground pin and
2. TTL inputs: VIL ≤ 0.8V, VIH ≥ 2.0V.
include all overshoots due to system and/or tester noise.
3. Add 3 mA/MHz for A.C. power component.
Do not attempt to test these values without suitable equipment.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| WS57C256F-55TMB | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS EPROM |
| WS57C256F-70 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS EPROM |
| WS57C256F-70CMB | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS EPROM |
| WS57C256F-70D | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS EPROM |
| WS57C256F-70DMB | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HIGH SPEED 32K x 8 CMOS EPROM |
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