AT27C2048-55PU Atmel, AT27C2048-55PU Datasheet - Page 8
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AT27C2048-55PU
Manufacturer Part Number
AT27C2048-55PU
Description
IC OTP 2MBIT 55NS 40DIP
Manufacturer
Atmel
Datasheet
1.AT27C2048-90VI.pdf
(14 pages)
Specifications of AT27C2048-55PU
Format - Memory
EPROMs
Memory Type
OTP EPROM
Memory Size
2M (128K x 16)
Speed
55ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
16. AC Programming Characteristics
T
Notes:
17. Atmel’s 27C2048 Intergrated Product Identification Code
8
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 ± 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 50 µsec ± 5%.
AT27C2048
see timing diagram.
CC
Parameter
Address 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
PP
CC
PP
must be applied simultaneously or before V
CC
Setup Time
Pulse Rise Time During
Setup Time
= 6.5 ± 0.25V, V
A0
0
1
O15-O8
0
0
PP
(3)
= 13.0 ± 0.25V
O7
(2)
0
1
O6
Test Conditions
Input Rise and Fall Times
Input Pulse Levels
Input Timing Reference Level
Output Timing Reference Level
0
1
PP
and removed simultaneously or after V
O5
0
1
Pins
(10% to 90%) 20 ns
(1)
O4
1
1
0.45V to 2.4V
0.8V to 2.0V
0.8V to 2.0V
O3
1
0
O2
1
1
47.5
Min
50
2
2
2
0
2
0
2
2
PP
O1
Limits
1
1
.
Max
52.5
130
150
O0
0
1
0632F–EPROM–12/07
Hex Data
001E
00F7
Units
µs
µs
µs
µs
µs
ns
µs
µs
µs
ns
ns