w27e020 Winbond Electronics Corp America, w27e020 Datasheet - Page 4

• Manufacturer Part Number: w27e020
• Description: 256k X 8 Electrically Erasable Eprom
• Manufacturer: Winbond Electronics Corp America

DC CHARACTERISTICS
Absolute Maximum Ratings
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
DC Erase Characteristics
(T
Note: V
Ambient Temperature with Power Applied
Storage Temperature
Voltage on all Pins with Respect to Ground Except V
and A9 Pins
Voltage on V
Voltage on V
Voltage on A9 Pin with Respect to Ground
Input Load Current
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage (Verify)
Output High Voltage
(Verify)
A9 Erase Voltage
V
V
(Erase)
A
CC
PP
PP
CC
= 25 C 5 C, V
of the device.
Erase Current
Erase Voltage
CC
Erase Current
Supply Voltage
PARAMETER
must be applied simultaneously or before V
CC
PP
CC
Pin with Respect to Ground
Pin with Respect to Ground
= 5.0V 10%, V
PARAMETER
HH
SYM.
I
I
I
V
V
V
V
V
V
V
= 14V)
LI
CP
PP
IL
IH
OL
OH
ID
PE
CE
V
CE = V
PGM = V
CE = V
PGM = V
I
I
PP
OL
OH
IN
and removed simultaneously or after V
= 2.1 mA
= V
= -0.4 mA
CONDITIONS
- 4 -
IL
IL,
IL,
or V
IL
IL
OE = V
OE = V
, A9 = V
, A9 = V
-
-
-
-
-
CC,
IH
V
PP
IH,
IH,
HH
HH
Preliminary W27E020
13.75
13.75
-0.5 to V
MIN.
-0.3
-10
2.4
2.4
4.5
-0.5 to +14.5
-0.5 to +14.5
-
-
-
-55 to +125
-65 to +125
-0.5 to +7
PP
RATING
.
LIMITS
CC
TYP.
14.0
14.0
5.0
-
-
-
-
-
-
-
+0.5
MAX.
14.25
14.25
0.45
0.8
5.5
5.5
10
30
30
-
UNIT
V
V
V
V
UNIT
C
C
mA
mA
V
V
V
V
V
V
V
A