256K (32K x 8-Bit) OTP EPROM
6. If V
IH
is over the specified maximum value, programming operation can not be guaranteed.
7. V
IL
min = -0.6V for pulse width < 20 ns.
27C256T
T
ABLE
10. 27C256T M
ODE
S
ELECTION
M
ODE
Read
Output Disable
Standby
Program
Program Verify
Page Data Latch
Page Program
Program Inhibit
V
PP
V
CC
V
CC
V
CC
V
PP
V
PP
V
PP
V
PP
V
CC
V
PP
V
PP
V
PP
Identifier
1. X = Don’t care. V
PP
=0V to V
CC
2. 11.5V < V
H
< 12.5V.
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
CE
V
IL
V
IL
V
IH
V
IL
V
IL
V
IH
V
IH
V
IL
V
IL
V
IH
V
IH
V
IL
OE
V
IL
V
IH
X
V
IH
V
IL
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
PGM
V
IH
V
IH
X
V
IL
V
IH
V
IH
V
IL
V
IL
V
IH
V
IL
V
IH
V
IH
A
9
X
1
X
X
X
X
X
X
X
X
X
X
V
H2
I/O
D
OUT
High-Z
High-Z
D
IN
D
OUT
D
IN
High-Z
High-Z
High-Z
High-Z
High-Z
ID
Memory
06.24.03 REV 4
All data sheets are subject to change without notice
6
©2003 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
