W27E257 Datasheet, PDF (7/14 Pages) Winbond – 32K X 8 ELECTRICALLY ERASABLE EPROM

W27E257
DC PROGRAMMING CHARACTERISTICS
(VCC = 5.0V ±10%, TA = 25° C ±5° C)
PARAMETER
SYM. CONDITIONS
Input Load Current
VCC Program Current
VPP Program Current
Input Low Voltage
Input High Voltage
Output Low Voltage (Verify)
Output High Voltage (Verify)
A9 Silicon I.D. Voltage
VPP Program Voltage
VCC Supply Voltage (Program)
ILI
ICP
IPP
VIL
VIH
VOL
VOH
VID
VPP
VCP
VIN = VIL or VIH
CE = VIL
CE = VIL
-
-
IOL = 2.1 mA
IOH = -0.4 mA
-
-
-
MIN.
-10
-
-
-0.3
2.4
-
2.4
11.5
11.75
4.5
LIMITS
TYP.
-
-
-
-
-
-
-
12.0
12.0
5.0
MAX.
10
30
30
0.8
5.5
0.45
-
12.5
12.25
5.5
UNIT
µA
mA
mA
V
V
V
V
V
V
V
AC PROGRAMMING/ERASE CHARACTERISTICS
(VCC = 5.0V ±10%, TA = 25° C ±5° C)
PARAMETER
VPP Setup Time
Address Setup Time
Data Setup Time
CE Program Pulse Width
CE Erase Pulse Width
Data Hold Time
OE Setup Time
Data Valid from OE
OE High to Output High Z
Address Hold Time
Address Hold Time after CE High (Erase)
SYM.
TVPS
TAS
TDS
TPWP
TPWE
TDH
TOES
TOEV
TDFP
TAH
TAHC
MIN.
2.0
2.0
2.0
95
95
2.0
2.0
-
0
0
2.0
LIMITS
TYP.
-
-
-
100
100
-
-
-
-
-
-
MAX.
-
-
-
105
105
-
-
150
130
-
-
Note: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
UNIT
µS
µS
µS
µS
mS
µS
µS
nS
nS
µS
µS
Publication Release Date: January 1997
-7-
Revision A3