AT27C1024
AC Programming Characteristics
T
A
= 25
±
5°C, V
CC
= 6.5
±
0.25V, V
PP
= 13.0
±
0.25V
Limits
Symbol
t
AS
t
CES
t
OES
t
DS
t
AH
t
DH
t
DFP
t
VPS
t
VCS
t
PW
t
OE
t
PRT
Notes:
1.
2.
3.
Test Conditions
(1)
Parameter
Address Setup Time
CE Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
OE High to Out-
put Float Delay
(2)
V
PP
Setup Time
V
CC
Setup Time
PGM Program Pulse Width
(3)
Data Valid from OE
V
PP
Pulse Rise Time During Programming
Min
2
2
Max
Units
µs
µs
µs
µs
µs
µs
Input Rise and Fall Times
(10% to 90%) 20ns
Input Pulse Levels
0.45V to 2.4V
Input Timing Reference Level
0.8V to 2.0V
Output Timing Reference Level
0.8V to 2.0V
2
2
0
2
0
2
2
95
105
150
50
130
ns
µs
µs
µs
ns
ns
V
CC
must be applied simultaneously or before V
PP
and removed simultaneously or after V
PP
.
This parameter is only sampled and is not 100%
tested. Output Float is defined as the point where data is no longer driven — see timing diagram.
Program Pulse width tolerance is 100
µ
sec
±
5%.
Atmel’s 27C1024 Integrated
Product Identification Code
Pins
Codes
Manufacturer
Device Type
A0
0
1
015-08
0
0
O7
0
1
O6
0
1
O5
0
1
O4
1
1
O3
1
0
O2
1
0
O1
1
0
O0
0
1
Hex
Data
001E
00F1
7
ATMEL [ ATMEL CORPORATION ]
