w27c020 Winbond Electronics Corp America, w27c020 Datasheet - Page 7

• Manufacturer Part Number: w27c020
• Description: 256k X 8 Electrically Erasable Eprom
• Manufacturer: Winbond Electronics Corp America

DC PROGRAMMING CHARACTERISTICS
(V
AC PROGRAMMING/ERASE CHARACTERISTICS
(V
Note: V
V
Address Setup Time
Data Setup Time
PGM Program Pulse Width
PGM Erase Pulse Width
Data Hold Time
Data Valid from OE
Address Hold Time after PGM High
Address Hold Time (Erase)
OE Setup Time
OE High to Output High Z
CE Setup Time
Input Load Current
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage (Verify)
Output High Voltage (Verify)
A9 Silicon I. D. Voltage
V
V
CC
CC
PP
CC
PP
PP
CC
= 5.0V 5%, T
= 5.0V 5%, T
Setup Time
CC
Program Current
Program Voltage
Program Current
Supply Voltage (Program)
must be applied simultaneously or before V
PARAMETER
A
A
PARAMETER
= 25 C 5 C)
= 25 C 5 C)
SYM.
I
I
I
V
V
V
V
V
V
V
LI
CP
PP
IL
IH
OL
OH
ID
PP
CP
PP
and removed simultaneously or after V
V
PGM = V
PGM = V
I
I
CE = V
CE = V
OL
OH
IN
= 2.1 mA
CONDITIONS
= V
= -0.4 mA
- 7 -
T
T
T
T
T
T
T
T
T
T
T
T
SYM.
IL
IL,
IL,
VPS
AS
DS
PWP
PWE
DH
OES
OEV
DFP
AH
AHE
CES
or V
IL
IL
OE = V
OE = V
-
-
-
-
-
IH
IH,
IH,
Publication Release Date: September 1998
Preliminary W27C020
MIN.
2.0
2.0
2.0
2.0
2.0
2.0
2.0
95
95
0
0
-
11.75
MIN.
11.5
-0.3
2.4
2.4
4.5
-
-
-
-
PP
LIMITS
TYP.
.
100
100
LIMITS
-
-
-
-
-
-
-
-
-
-
TYP.
12.0
12.0
5.0
-
-
-
-
-
-
-
MAX.
105
105
150
130
MAX.
12.25
0.45
12.5
-
-
-
-
-
-
-
-
0.8
5.5
5.5
30
30
10
-
Revision A1
UNIT
UNIT
mA
mA
mS
nS
nS
V
V
V
V
V
V
V
A
S
S
S
S
S
S
S
S
S