AT27C020-55JI ATMEL [ATMEL Corporation], AT27C020-55JI Datasheet - Page 7

• Manufacturer Part Number: AT27C020-55JI
• Description: 2-Megabit 256K x 8 OTP EPROM
• Manufacturer: ATMEL [ATMEL Corporation]

AC Programming Characteristics
T
Notes:
Atmel’s 27C020 Integrated Product Identification Code
A
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
Codes
Manufacturer
Device Type
AS
CES
OES
DS
AH
DH
DFP
VPS
VCS
PW
OE
PRT
= 25 ± 5°C, V
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 s
— see timing diagram.
Parameter
Address Setup Time
CE Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
OE High to Output Float Delay
V
V
PGM Program Pulse Width
Data Valid from OE
V
Programming
CC
PP
CC
PP
must be applied simultaneously or before V
CC
Pulse Rise Time During
Set up Time
Setup Time
= 6.5 ± 0.25V,V
A0
0
1
O7
0
1
PP
= 13.0 ± 0.25V
(3)
O6
0
0
(2)
O5
5%.
Test Condition
Input Rise and Fall Times:
Input Pulse Levels:
Input Timing Reference Level:
Output Timing Reference Level:
0
0
PP
and removed simultaneously or after V
Pins
O4
1
0
(10% to 90%) 20 ns.
(1)
0.45V to 2.4V
O3
1
0
0.8V to 2.0V
0.8V to 2.0V
O2
1
1
O1
Min
1
1
95
50
2
2
2
2
0
2
0
2
2
PP
Limits
.
O0
0
0
Max
130
105
150
Hex Data
1E
86
Units
ns
ns
ns
s
s
s
s
s
s
s
s
s
7