27c256t Maxwell Technologies, 27c256t Datasheet - Page 11

• Manufacturer Part Number: 27c256t
• Description: 256k 32k X 8-bit Otp Eprom
• Manufacturer: Maxwell Technologies

D
The Device Identifier Mode allows binary codes to be read from the outputs that identify the manufacturer and the type
of device. Using this mode with programming equipment, the device will automatically match its own erase and pro-
gramming algorithm.
1. V
2. A
3. A
4. X = Don’t care.
256K (32K x 8-Bit) OTP EPROM
I
M
D
DENTIFIER
EVICE
EVICE
ANUFACTURER
CC
9
1
-A
= 12.0V + 0.5V.
= 5.0V + 10%.
C
8
I
, A
DENTIFIER
ODE
10
-A
C
14
ODE
, CE, OE = V
M
ODE
D
V
V
A
ESCRIPTION
IH
IL
0
IL
, PGM = V
F
IGURE
I/O
0
0
7
IH
27C256T S
5. B
.
I/O
YTE
0
0
6
P
ROGRAMMING
I/O
06.24.03 REV 4
ERIES
0
1
5
I
DENTIFIER
I/O
0
1
4
T
IMING
I/O
All data sheets are subject to change without notice
0
1
C
3
ODE
W
AVEFORM
I/O
1
0
2
I/O
1
0
1
©2003 Maxwell Technologies
27C256T
I/O
1
0
0
All rights reserved.
H
EX
07
38
D
ATA
11