W27C512
READ OPERATION DC CHARACTERISTICS
(VCC = 5.0V 5%, TA = 0 to 70 C)
±
°
PARAMETER
SYM.
CONDITIONS
LIMITS
UNIT
MAX.
MIN.
-5
TYP.
LI
I
IN
CC
= 0V to V
Input Load Current
V
-
-
-
5
m
A
LO
I
OUT
V
CC
= 0V to V
Output Leakage Current
-10
-
10
1.0
m
A
CC
SB
I
Standby V Current
mA
IH
= V
CE
CE
CE
(TTL input)
CC
SB1
I
Standby V Current
-
-
5
-
100
30
m
A
CC
±
= V
= V
0.3V
(CMOS input)
CC
V
CC
I
Operating Current
mA
IL
OUT
I
= 0 mA, f = 5 MHz
IL
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
V
-
-
-0.3
2.2
-
-
-
-
-
0.8
V
V
V
V
IH
V
CC
V
+0.5
OL
V
OL
I
I
= 2.1 mA
= -0.4 mA
0.45
-
OH
V
OH
2.4
READ OPERATION AC CHARACTERISTICS
(VCC = 5.0V 5%, TA = 0 to 70 C)
±
°
PARAMETER
SYM. W27C512-45 W27C512-70 W27C512-90 W27C512-12
UNIT
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
RC
Read Cycle Time
T
T
T
T
T
45
-
-
70
-
-
90
-
-
120
-
nS
nS
nS
nS
nS
CE
Chip Enable Access Time
Address Access Time
45
45
20
20
70
70
30
30
90
90
40
30
-
-
-
-
120
120
55
ACC
OE
DF
-
-
-
Output Enable Access Time
-
-
-
-
-
-
30
OE /VPP High to High-Z Output
Output Hold from Address Change
CC
OH
T
0
-
0
-
0
-
0
-
nS
PP
PP
.
Note: V must be applied simultaneously or before V and removed simultaneously or after V
DC PROGRAMMING CHARACTERISTICS
(VCC = 5.0V 5%, TA = 25 C 5 C)
± °
±
°
PARAMETER
SYM.
CONDITIONS
LIMITS
UNIT
MIN.
TYP.
MAX.
10
-10
-
-
-
LI
IN
V
IL
IH
mA
Input Load Current
I
= V or V
30
mA
CC
CP
V
Program Current
I
IL
= V ,
CE
PP
PP
OE /V = V
-
-
30
mA
PP
PP
I
V
Program Current
IL
CE = V ,
PP
PP
OE /V = V
- 6 -
WINBOND [ WINBOND ]
