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Atmel AT27C080
Table 5-6.
DC programming characteristics
T A = 25 ± 5°C, V CC = 6.5 ± 0.25V, OE/V PP = 13.0 ± 0.25V
Limits
Symbol
Parameter
Test Conditions
Min
Max
Units
I LI
V IL
V IH
V OL
Input load current
Input low level
Input high level
Output low voltage
V IN = V IL , V IH
I OL = 2.1mA
-0.6
2.0
? 10
0.8
V CC + 1.0
0.4
μA
V
V
V
V OH
I CC2
Output high voltage
V CC supply current (program and verify)
I OH = -400μA
2.4
40
V
mA
I PP2
V ID
OE/V PP supply current
A9 product identification voltage
CE = V IL
11.5
25
12.5
mA
V
Table 5-7.
AC programming characteristics
T A = 25 ± 5°C, V CC = 6.5 ± 0.25V, OE / V PP = 13.0 ± 0.25V
Limits
Test conditions
CE high to output float delay
Symbol
t AS
t OES
t OEH
t DS
t AH
t DH
t DFP
t VCS
Parameter
Address setup time
OE / V PP setup time
OE/V PP hold time
Data setup time
Address hold time
Data hold time
V CC setup time
(2)
(1)
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
Min
2.0
2.0
2.0
2.0
0.0
2.0
0.0
2.0
Max
130
Units
μs
μs
μs
μs
μs
μs
ns
μs
t PW
t DV
CE program pulse width (3)
Data valid from CE
Output timing reference level:
47.5
52.5
1.0
μs
μs
t VR
t PRT
OE / V PP recovery time
OE / V PP pulse rise time during
programming
0.8V to 2.0V
2.0
50
ns
ns
Notes:
1. V CC must be applied simultaneously with or before OE/V PP and removed simultaneously with or after OE/V PP .
2. 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.
3. Program pulse width tolerance is 50μs ± 5%.
Table 5-8.
The Atmel AT27C080 integrated product identification code
Pins
Codes
Manufacturer
Device type
A0
0
1
O7
0
1
O6
0
0
O5
0
0
O4
1
0
O3
1
1
O2
1
0
O1
1
1
O0
0
0
Hex data
1E
8A
7
0360M–EPROM–4/11
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