AT27C040-12 ATMEL Corporation, AT27C040-12 Datasheet - Page 7

• Manufacturer Part Number: AT27C040-12
• Description: 4-Megabit 512K x 8 OTP EPROM
• Manufacturer: ATMEL Corporation

AC Programming Characteristics
T
Notes:
Atmel's 27C040 Integrated Product Identification Code
A
Symbol
t
t
t
t
t
t
t
t
t
t
t
Codes
Manufacturer
Device Type
AS
OES
DS
AH
DH
DFP
VPS
VCS
PW
OE
PRT
= 25
1. V
2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven
3. Program Pulse width tolerance is 100 sec
5°C, V
— see timing diagram.
Parameter
Address Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
OE High to Output Float Delay
V
V
CE Program Pulse Width
Data Valid from OE
V
CC
PP
CC
PP
must be applied simultaneously or before V
CC
Setup Time
Pulse Rise Time During Programming
Setup Time
= 6.5
0.25V, V
A0
0
1
(2)
PP
O7
(3)
0
0
= 13.0
(2)
O6
0
0
0.25V
5%.
PP
O5
0
0
and removed simultaneously or after V
Input Rise and Fall Times
Input Pulse Levels
Input Timing Reference Level
Output Timing Reference Level
Pins
O4
1
0
Test Conditions
O3
1
1
(10% to 90%) 20ns
0.45V to 2.4V
O2
0.8V to 2.0V
0.8V to 2.0V
1
0
(1)
O1
PP
1
1
.
Min
95
50
2
2
2
0
2
0
2
2
O0
0
1
Limits
Max
130
105
150
Hex Data
1E
0B
Units
ns
ns
ns
s
s
s
s
s
s
s
s
7