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參數(shù)資料
| 型號： | M27V402-180N1TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Quadruple 2-Input Positive-AND Gates 14-SOIC 0 to 70 |
| 中文描述： | 4兆位512KB的× 8 EPROM的低電壓檢察官辦公室 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 120K |
| 代理商： | M27V402-180N1TR |
7/13
M27V405
Table 9. Programming Mode DC Characteristics
(1)
(T
A
= 25 °C; V
CC
= 6.25V ± 0.25V; V
PP
= 12.75V ± 0.25V)
Symbol
Parameter
Note: 1. V
CC
must be applied simultaneously with or before V
PP
and removed simultaneously or after V
PP
.
Table 10. Programming Mode AC Characteristics
(1)
(T
A
= 25 °C; V
CC
= 6.25V ± 0.25V; V
PP
= 12.75V ± 0.25V)
Symbol
Alt
Note: 1. V
CC
must be applied simultaneously with or before V
PP
and removed simultaneously or after V
PP
.
2. Sampled only, not 100% tested.
Test Condition
Min
Max
Unit
I
LI
Input Leakage Current
0
≤
V
IN
≤
V
CC
±10
μ
A
I
CC
Supply Current
50
mA
I
PP
Program Current
E = V
IL
50
mA
V
IL
Input Low Voltage
–0.3
0.8
V
V
IH
Input High Voltage
2
V
CC
+ 0.5
V
V
OL
Output Low Voltage
I
OL
= 2.1mA
0.4
V
V
OH
Output High Voltage TTL
I
OH
= –400μA
2.4
V
V
ID
A9 Voltage
11.5
12.5
V
Parameter
Test Condition
Min
Max
Unit
t
AVEL
t
AS
Address Valid to Chip Enable Low
2
μs
t
QVEL
t
DS
Input Valid to Chip Enable Low
2
μs
t
VPHEL
t
VPS
V
PP
High to Chip Enable Low
2
μs
t
VCHEL
t
VCS
V
CC
High to Chip Enable Low
2
μs
t
ELEH
t
PW
Chip Enable Program Pulse Width
95
105
μs
t
EHQX
t
DH
Chip Enable High to Input Transition
2
μs
t
QXGL
t
OES
Input Transition to Output Enable Low
2
μs
t
GLQV
t
OE
Output Enable Low to Output Valid
100
ns
t
GHQZ
t
DFP
Output Enable High to Output Hi-Z
0
130
ns
t
GHAX
t
AH
Output Enable High to Address
Transition
0
ns
Programming
The M27V405 has been designed to be fully com-
patible with the M27C405 and has the same elec-
tronic signature. As a result the M27V405 can be
programmed as the M27C405 on the same pro-
gramming equipments applying 12.75V on V
PP
and 6.25V on V
CC
by the use of the same PRES-
TO II algorithm. When delivered, all bits of the
M27V405 are in the ’1’ state.Data is introduced by
selectively programming ’0’s into the desired bit lo-
cations. Although only ’0’s will be programmed,
both ’1’s and ’0’s can be present in the data word.
The M27V405 is in the programming mode when
V
PP
input is at 12.75V, G is at V
IH
and E is pulsed
to V
IL
. The data to be programmed is applied to 8
bits in parallel to the data output pins. The levels
required for the address and data inputs are TTL.
V
CC
is specified to be 6.25V±0.25V, but it can be
set to lower values in case of On-Board Program-
ming (see dedicated paragraph).
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