AT27C256R70PC Atmel, AT27C256R70PC Datasheet - Page 6

• Manufacturer Part Number: AT27C256R70PC
• Manufacturer: Atmel

Specifications of AT27C256R70PC

• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: External
• Access Time (max): 70ns
• 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: 0C to 70C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

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