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M27256-20F6 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M27256-20F6
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M27256-20F6 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
M27256
Table 8. Programming Mode DC Characteristics (1)
(TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.3V)
Symbol
Parameter
Test Condition
Min
Max
ILI
Input Leakage Current
VIL VIN VIH
±10
ICC
Supply Current
100
IPP
Program Current
E = VIL
50
VIL
Input Low Voltage
–0.1
0.8
VIH
Input High Voltage
2
VCC + 1
VOL
Output Low Voltage
IOL = 2.1mA
0.45
VOH
Output High Voltage
IOH = –400µA
2.4
VID
A9 Voltage
11.5
Note. 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
12.5
Unit
µA
mA
mA
V
V
V
V
V
Table 9. Programming Mode AC Characteristics (1)
(TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.3V)
Symbol Alt
Parameter
Test Condition
Min
Max
Unit
tAVEL
tAS
Address Valid to Chip Enable
Low
2
µs
tQVEL
tDS Input Valid to Chip Enable Low
2
µs
tVPHEL
tVPS VPP High to Chip Enable Low
2
µs
tVCHEL
tVCS VCC High to Chip Enable Low
2
µs
tELEH
tPW
Chip Enable Program Pulse
Width (Initial)
Note 2
0.95
1.05
ms
tELEH
tOPW
Chip Enable Program Pulse
Width (Overprogram)
Note 3
2.85
78.75
ms
tEHQX
tDH
Chip Enable High to Input
Transition
2
µs
tQXGL
tOES
Input Transition to Output
Enable Low
2
µs
tGLQV
tOE
Output Enable Low to
Output Valid
150
ns
tGHQZ (4)
tDFP
Output Enable Low to
Output Hi-Z
0
130
ns
tGHAX
tAH
Output Enable High to
Address Transition
0
ns
Notes. 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. The Initial Program Pulse width tolerance is 1 ms ± 5%.
3. The length of the Over-program Pulse varies from 2.85 ms to 78.95 ms, depending on the multiplication value of the iteration counter.
4. Sampled only, not 100% tested.
6/10
 

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