w27e020 Winbond Electronics Corp America, w27e020 Datasheet - Page 6

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

READ OPERATION DC CHARACTERISTICS
(Vcc = 5.0V 10%)
READ OPERATION AC CHARACTERISTICS
(V
Note: V
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access
Time
Output Hold from Address
Change
Input Load Current
Output Leakage Current
Standby V
(TTL input)
Standby V
(CMOS input)
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
V
OE High to High-Z Output
CC
CC
PP
PP
= 5.0V 10%, for 70, 90 and 120 nS; T
CC
Operating Current
Operating Voltage
Operating Current
PARAMETER
PARAMETER
must be applied simultaneously or before V
CC
CC
Current
Current
I
I
I
I
I
I
V
V
V
V
V
SYM.
LI
LO
SB
SB
CC
PP
IL
IH
OL
OH
PP
T
T
T
T
T
T
1
SYM.
RC
CE
ACC
OE
DF
OH
A
= 0 to 70 C)
V
V
I
f = 5 MHz
V
I
I
CE = V
CE = V
CE = V
OUT
OL
OH
IN
OUT
PP
MIN.
PP
CONDITIONS
= 2.1 mA
W27E020-70
= 0V to V
= -0.4 mA
70
= V
0
-
-
-
-
= 0 mA
and removed simultaneously or after V
= 0V to V
IH
CC
IL
CC
- 6 -
-
-
-
MAX.
0.2V
70
70
30
25
CC
-
-
CC
MIN.
W27E020-90
90
0
-
-
-
-
V
Preliminary W27E020
CC -
MIN.
-0.3
-10
2.0
2.4
-5
-
-
-
-
-
0.7
MAX.
90
90
40
25
-
-
PP
LIMITS
TYP.
.
5
-
-
-
-
-
-
-
-
-
-
W27E020-12
MIN.
120
0
-
-
-
-
V
CC
MAX.
0.45
V
100
1.0
0.8
MAX.
10
30
10
5
CC
-
120
120
+0.5
55
30
-
-
UNIT
UNIT
mA
mA
nS
nS
nS
nS
nS
nS
V
V
V
V
V
A
A
A
A