AT27BV256-70TU Atmel, AT27BV256-70TU Datasheet - Page 4
![IC OTP 256KBIT 70NS 28TSOP](/photos/7/21/72191/313-28-tsop_sml.jpg)
AT27BV256-70TU
Manufacturer Part Number
AT27BV256-70TU
Description
IC OTP 256KBIT 70NS 28TSOP
Manufacturer
Atmel
Datasheet
1.AT27BV256-70TU.pdf
(15 pages)
Specifications of AT27BV256-70TU
Format - Memory
EPROMs
Memory Type
OTP EPROM
Memory Size
256K (32K x 8)
Speed
70ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-TSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
6. Operating Modes
Notes:
7. DC and AC Operating Conditions for Read Operation
4
Mode \ Pin
Read
Output Disable
Standby
Rapid Program
PGM Verify
Optional PGM Verify
PGM Inhibit
Product Identification
Industrial Operating Temperature (Case)
V
CC
Power Supply
(2)
1. X can be V
2. Read, output disable, and standby modes require, 2.7V ≤ V
3. Refer to Programming Characteristics. Programming modes require V
4. V
5. Two identifier bytes may be selected. All Ai inputs are held low (V
(2)
AT27BV256
low (V
(3)
(3)
H
= 12.0 ± 0.5V.
(2)
(3)
IL
) to select the Manufacturers’ Identification byte and high (V
(3)
(3)(5)
IL
or V
IH
.
CE
V
V
V
V
V
V
V
X
IH
IH
IL
IL
IL
IL
IL
OE
V
V
V
V
V
V
V
X
IH
IH
IH
IL
IL
IL
IL
A0 = V
A1 - A14 = V
A9 = V
CC
Ai
Ai
Ai
Ai
Ai
X
X
X
IH
≤ 3.6V, or 4.5V ≤ V
(1)
or V
H
(4)
IL
), except A9 which is set to V
IL
IL
IH
) to select the Device Code byte.
CC
= 6.5V.
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
PP
PP
PP
PP
CC
≤ 5.5V.
AT27BV256-70
-40°C - 85°C
2.7V to 3.6V
5V ± 10%
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
H
and A0 which is toggled
Identification Code
0601E–EPROM–12/07
Outputs
High Z
High Z
High Z
D
D
D
D
OUT
OUT
OUT
IN