w27c520 Winbond Electronics Corp America, w27c520 Datasheet - Page 4

• Manufacturer Part Number: w27c520
• Description: 64k X 8 Electrically Erasable Eprom
• Manufacturer: Winbond Electronics Corp America

DC CHARACTERISTICS
Absolute Maximum Ratings
Notes:
1. Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of
2. Minimum voltage is -0.6V DC which may undershoot to -2.0V for pulses of less than 20 nS. Maximum output pin voltage is
DC Erase Characteristics
(T
Note: V
Ambient Temperature with Power Applied
Storage Temperature
Voltage on all Pins with Respect to Ground Except
Voltage on OE /V
Voltage on A9 Pin with Respect to Ground
Voltage V
Input Load Current
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage
(Verify)
Output High Voltage
(Verify)
A9 SID Voltage
A9 Erase Voltage
V
V
(Erase & Erase Verify)
OE /V
the device.
V
A
DD
DD
PP
PP
DD
= 25 C 5 C, V
+0.75V DC which may overshoot to +7.0V for pulses of less than 20 nS.
Erase Current
Erase Voltage
Erase Current
Supply Voltage
DD
PP,
PARAMETER
must be applied simultaneously or before V
A9 and V
DD
Pin with Respect to Ground
DD
= 6.5V 0.25V)
DD
PP
Pin with Respect to Ground
Pins
PARAMETER
SYM.
I
I
I
V
V
V
V
V
V
V
V
LI
CP
PP
IL
IH
OL
OH
HH
PE
PE
DE
V
ALE = V
A8 & A11 = V
A10 = V
ALE = V
A8 & A11 = V
A10 = V
I
I
V
OL
OH
IN
DD
= 2.1 mA
= V
= -0.4 mA
= 5V 10%
PP
IL
and removed simultaneously or after V
CONDITIONS
IH
IH
IH,
IH,
or V
, Others = X
, Others = X
- 4 -
OE /V
OE /V
IL
IL
IH
-
-
-
-
-
, A9 = V
, A9 = V
PP
PP
= V
= V
PE
PE
PE
PE
Preliminary W27C520
,
,
-2.0 to +14.0
12.75
12.75
-55 to +125
-65 to +150
-2.0 to +7.0
-2.0 to +7.0
-2.0 to +7.0
MIN.
11.5
6.25
-0.3
-10
2.4
2.4
RATING
-
-
-
TYP.
PP
LIMITS
6.5
12
13
13
.
-
-
-
-
-
-
-
V
MAX.
13.25
13.25
DD
0.45
12.5
6.75
0.8
10
30
30
-
+0.3
UNIT
V
V
V
V
C
C
UNIT
mA
mA
V
V
V
V
V
V
V
-
A