W27E257 Datasheet, PDF (6/14 Pages) Winbond – 32K X 8 ELECTRICALLY ERASABLE EPROM

W27E257
READ OPERATION DC CHARACTERISTICS
(VCC = 5.0V ±10%, TA = 0 to 70° C)
(W27E257-10, S-10, K-10, P-10: VCC, min. = 3.0V and max. = 5.5V)
PARAMETER
SYM.
CONDITIONS
Input Load Current
Output Leakage Current
VCC Standby Current
VCC Operating Current
VPP Operating Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
VPP Operating Voltage
ILI
ILO
ISB
ISB1
ICC
IPP
VIL
VIH
VOL
VOH
VPP
VIN = 0V to VCC
VOUT = 0V to VCC
CE = VIH
CE = VCC ±0.2V
CE = VIL
IOUT = 0 mA
f = 5 MHz
VPP = VCC
-
-
IOL = 2.1 mA
IOH = -0.4 mA
-
MIN.
-5
-10
-
-
-
LIMITS
TYP.
-
-
-
5
-
MAX.
5
10
1.0
100
30
UNIT
µA
µA
mA
µA
mA
-
-
100
µA
-0.3
-
0.8
V
2.0
- VCC +0.5
V
-
-
0.45
V
2.4
-
-
V
VCC -0.7 -
VCC
V
READ OPERATION AC CHARACTERISTICS
(VCC = 5.0V ±10%, TA = 0 to 70° C)
PARAMETER
SYM.
W27E257-10
MIN. MAX.
W27E257-12
MIN. MAX.
W27E257-15
MIN. MAX.
Read Cycle Time
TRC 100
-
120
-
150
-
Chip Enable Access Time
TCE
-
100
-
120
-
150
Address Access Time
TACC
-
100
-
120
-
150
Output Enable Access Time TOE
-
50
-
60
-
70
OE High to High-Z Output
TDF
-
30
-
30
-
50
Output Hold from Address
TOH
0
-
0
-
0
-
Change
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
UNIT
nS
nS
nS
nS
nS
nS
-6-