M27C256B-80N3TR STMicroelectronics, M27C256B-80N3TR Datasheet - Page 7

• Manufacturer Part Number: M27C256B-80N3TR
• Description: 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM
• Manufacturer: STMicroelectronics

Table 9. Programming Mode DC Characteristics
(T
Note: 1. V
Table 10. Programming Mode AC Characteristics
(T
Note: 1. V
Symbol
Symbol
A
A
t
t
t
t
t
t
t
t
t
VPHEL
VCHEL
t
V
EHQX
QXGL
GLQV
GHQZ
GHAX
V
QVEL
AVEL
ELEH
= 25 C; V
I
V
V
= 25 C; V
I
V
I
CC
PP
LI
OL
OH
IH
ID
IL
CC
CC
must be applied simultaneously with or before V
must be applied simultaneously with or before V
Input Leakage Current
Supply Current
Program Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage TTL
A9 Voltage
t
t
t
t
t
Alt
t
t
t
OES
t
t
VPS
VCS
DFP
PW
AS
DS
DH
OE
AH
CC
CC
= 6.25V
= 6.25V
Address Valid to Chip Enable Low
Input Valid to Chip Enable Low
V
V
Chip Enable Program Pulse Width
Chip Enable High to Input Transition
Input Transition to Output Enable Low
Output Enable Low to Output Valid
Output Enable High to Output Hi-Z
Output Enable High to Address Transition
PP
CC
Parameter
High to Chip Enable Low
High to Chip Enable Low
0.25V; V
0.25V; V
Parameter
PP
PP
= 12.75V
= 12.75V
PP
PP
and removed simultaneously or after V
and removed simultaneously or after V
Test Condition
V
0.25V)
0.25V)
I
I
IL
(1)
OL
OH
(1)
E = V
= 2.1mA
= –1mA
V
IN
IL
V
IH
Test Condition
–0.3
11.5
Min
3.6
2
PP
PP
.
.
V
Min
CC
95
2
2
2
2
2
2
0
0
Max
12.5
0.8
0.4
50
50
10
+ 0.5
Max
105
100
130
M27C256B
Unit
mA
mA
V
V
V
V
V
A
Unit
ns
ns
ns
s
s
s
s
s
s
s
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