WS57C256F-70J Ver la hoja de datos (PDF) - STMicroelectronics
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WS57C256F-70J Datasheet PDF : 5 Pages
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WS57C256F
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
OPERATING RANGE
RANGE
TEMPERATURE
Commercial
0°C to +70°C
Industrial
–40°C to +85°C
Military
–55°C to +125°C
VCC
+5V ± 10%
+5V ± 10%
+5V ± 10%
*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.
DC READ CHARACTERISTICS Over Operating Range with VPP = VCC
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
MAX UNITS
VIL
Input Low Voltage
VIH
Input High Voltage
VOL
Output Low Voltage
VOH
Output High Voltage
(Note 4)
(Note 4)
IOL = 16 mA
IOH = – 4 mA
– 0.1
2.0
2.4
0.8
V
VCC + 0.3 V
0.4
V
V
ISB1
VCC Standby Current (CMOS)
CE = VCC ± 0.3 V
(Note 1)
Comm'l
Ind/Mil
200
µA
500
µA
ISB2
VCC Standby Current (TTL)
CE = VIH (Note 2)
Comm'l
Ind/Mil
3
mA
5
mA
ICC1
VCC Active Current (CMOS)
(Notes 1 and 3)
Outputs Not Loaded
Comm'l
Ind/Mil
25
mA
30
mA
ICC2
VCC Active Current (TTL)
(Notes 2 and 3)
Outputs Not Loaded
Comm'l
Ind/Mil
50
mA
60
mA
IPP
VPP Supply Current
VPP
VPP Read Voltage
ILI
Input Leakage Current
VPP = VCC
VIN = 5.5V or Gnd
100
µA
VCC – 0.4
VCC
V
–10
10
µA
ILO
Output Leakage Current
VOUT = 5.5 V or Gnd
–10
10
µA
NOTES:
1. CMOS inputs: GND ± 0.3V or VCC ± 0.3V.
2. TTL inputs: VIL ≤ 0.8V, VIH ≥ 2.0V.
3. Add 3 mA/MHz for A.C. power component.
4. These are absolute voltages with respect to device ground pin and
include all overshoots due to system and/or tester noise.
Do not attempt to test these values without suitable equipment.
AC READ CHARACTERISTICS Over Operating Range. with VPP = VCC
PARAMETER
SYMBOL 57C256F-35 57C256F-45 57C256F-55 57C256F-70
MIN MAX MIN MAX MIN MAX MIN MAX
Address to Output Delay
CE to Output Delay
OE to Output Delay
Output Disable to Output Float
Address to Output Hold
tACC
tCE
tOE
tDF
tOH
35
45
55
70
35
45
55
70
15
20
25
30
20
20
25
30
0
0
0
0
UNITS
ns
3-14
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