MR27V3255D Ver la hoja de datos (PDF) - Oki Electric Industry
Número de pieza
componentes Descripción
Fabricante
MR27V3255D
Oki Electric Industry
MR27V3255D Datasheet PDF : 10 Pages
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MR27V3255D
ELECTRICAL CHARACTERISTICS (Programming operation)
DC Characteristics
Parameter
Symbol Condition
Min.
Input leakage current
ILI
VI=VCC+0.5V
-
VPP power supply current (Program) IPP2
CE=VIL
-
VCC power supply current
ICC
-
-
Input "H" level
VIH
-
3.0
Input "L" level
VIL
-
-0.5
Output "H" level
Output "L" level
Program voltage
VCC power supply voltage
VOH
IOH=-400µA
2.4
VOL
IOL=2.1mA
-
VPP
-
9.5
VCC
-
3.9
Voltage is relative to Vss
Typ.
-
-
-
-
-
-
-
9.75
4.0
(Ta=25°C±5°C)
Max. Unit
10
µA
50
mA
80
mA
VCC+0.5 V
0.8
V
-
V
0.45
V
10.0
V
4.1
V
AC Characteristics
Parameter
Address set-up time
OE set-up time
Data set-up time
Address hold time
Data hold time
Output float delay from OE
VPP voltage set-up time
Program pulse width
Data valid from OE
Address hold from OE high
Symbol
TAS
TOES
TDS
TAH
TDH
TOHZ
TVS
TPW
TOE
TAHO
(Vcc=4.0V±0.1V,Vpp=9.75V±0.25V,Ta=25°C±5°C)
Condition
Min.
Typ.
Max. Unit
-
100
-
-
ns
-
2
-
-
µs
-
100
-
-
ns
-
2
-
-
µs
-
100
-
-
ns
-
0
-
100
ns
-
2
-
-
µs
-
9
10
11
µs
-
-
-
100 ns
-
0
-
-
ns
Pin Check Function
Pin Check Function is to check contact between each device-pin and each socket-lead with EPROM
programmer.
Setting up address as the following condition call the preprogrammed codes on device outputs.
(Vcc=3.3V±0.3V,CE=OE=VIL,WORD=VIL,Ta=25°C±5°C)
PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PA8 PA9 PA10 PA11 PA12 PA13 PA14 PA15 PA16 PA17 PA18 PA19 PA20
DATA
A-1 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19
0 1 0 1 0 1 0 1 0 1 VH* 1 0 1 0 1 0 1 0 1 0 AAAA
1 0 1 0 1 0 1 0 1 0 VH* 0 1 0 1 0 1 0 1 0 1 5555
Other conditions
FFFF
* :VH=8V±0.25V
7/10
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