256K (32K x 8-Bit) OTP EPROM
T
ABLE
1. 27C256T P
INOUT
D
ESCRIPTION
P
IN
1
2, 3, 30
12-5, 27, 26, 23,
25, 4, 28, 29
22
24
13-15, 17-21
16
31
32
S
YMBOL
V
PP
NC
A0-A14
CE
OE
I/O0 - I/O7
GND
PGM
V
CC
D
ESCRIPTION
Programming Voltage
Not connected
Address Enable
Chip Enable
Output Enable
Data Input/Output
Ground
Program
+5V Power Supply
27C256T
Memory
T
ABLE
2. 27C256T A
BSOLUTE
M
AXIMUM
R
ATINGS
PARAMETER
Supply Voltage
1
Programming Voltage
1
All Input and Output Voltage
1,2
A9 and OE Voltage
Thermal Resistance
Operating Temperature Range
Storage Temperature Range
1. Relative to V
SS
.
2. V
IN
, V
OUT
, and V
ID
min = -1.0V for pulse width < 20 ns.
SYMBOL
V
CC
V
PP
V
IN
, V
OUT
V
ID
T
JC
T
OPR
T
STG
-55
-65
MIN
-0.6
-0.6
-0.6
-0.6
MAX
+7.0
+13.5
+7.0
13.0
1.26
+125
+125
UNIT
V
V
V
V
°
C/W
°
C
°
C
T
ABLE
3. D
ELTA
L
IMITS
P
ARAMETER
I
CC
1
I
CC
2
I
CC
3A
I
CC
3B
V
ARIATION
±10%
±10%
±10%
±10%
06.24.03 REV 4
All data sheets are subject to change without notice
2
©2003 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
