AT27C256R-12PI Atmel, AT27C256R-12PI Datasheet - Page 6
![IC OTP 256KBIT 120NS 28DIP](/photos/7/21/72189/453-28-dip_sml.jpg)
AT27C256R-12PI
Manufacturer Part Number
AT27C256R-12PI
Description
IC OTP 256KBIT 120NS 28DIP
Manufacturer
Atmel
Specifications of AT27C256R-12PI
Format - Memory
EPROMs
Memory Type
OTP EPROM
Memory Size
256K (32K x 8)
Speed
120ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.600", 15.24mm)
Organization
32Kx8
Interface Type
Parallel
In System Programmable
External
Access Time (max)
120ns
Package Type
PDIP
Reprogramming Technique
OTP
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
20mA
Pin Count
28
Mounting
Through Hole
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT27C256R12PI
Programming Waveforms
Notes:
DC Programming Characteristics
T
6
A
Symbol
I
V
V
V
V
I
I
V
LI
CC2
PP2
OL
OH
IL
IH
ID
= 25
1.
2.
3.
5°C, V
The Input Timing Reference is 0.8V for V
t
When programming the AT27C256R a 0.1 µF capacitor is required across V
transients.
OE
Parameter
Input Load Current
Input Low Level
Input High Level
Output Low Volt
Output High Volt
V
V
A9 Product Identification Voltage
CC
PP
and t
CC
Current
Supply Current (Program and Verify)
= 6.5
DFP
AT27C256R
are characteristics of the device but must be accommodated by the programmer.
0.25V, V
PP
(1)
= 13.0
0.25V
IL
and 2.0V for V
Test Conditions
V
I
I
CE = V
OL
OH
IN
= 2.1 mA
= V
= -400
IL
IL
,V
IH
IH
.
A
PP
and ground to suppress spurious voltage
11.5
Min
-0.6
2.0
2.4
Limits
V
Max
CC
12.5
0.8
0.4
25
25
10
+ 1
Units
mA
mA
µA
V
V
V
V
V