AT27C080-10DC データシートの表示（PDF） - Atmel Corporation
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AT27C080-10DC Datasheet PDF : 10 Pages
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AT27C080
AC Programming Characteristics
TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, OE/VPP = 13.0 ± 0.25V
Limits
Symbol Parameter
Test Conditions(1)
Min
Max
Units
tAS
Address Setup Time
2.0
µs
tOES
OE/VPP Setup Time
2.0
µs
tOEH
OE/VPP Hold Time
Input Rise and Fall Times:
2.0
µs
tDS
Data SetupTime
(10% to 90%) 20 ns.
2.0
µs
tAH
Address Hold Time
Input Pulse Levels:
0.0
µs
tDH
Data Hold Time
0.45V to 2.4V
2.0
µs
tDFP
CE High to Output Float Delay(2)
0.0
130
ns
Input Timing Reference Level:
tVCS
VCC Setup Time
0.8V to 2.0V
2.0
µs
tPW
CE Program Pulse Width(3)
tDV
Data Valid from CE
47.5
52.5
µs
Output Timing Reference Level:
0.8V to 2.0V
1.0
µs
tVR
OE/VPP Recovery Time
2.0
ns
tPRT
OE/VPP Pulse Rise Time During
Programming
50
ns
Notes:
1. VCC must be applied simultaneously or before OE/VPP and removed simultaneously or after OE/VPP.
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 50 µs ± 5%.
Atmel’s 27C080 Integrated Product Identification Code
Codes
Manufacturer
Device Type
Pins
A0
O7
O6
O5
O4
O3
O2
O1
O0
0
0
0
0
1
1
1
1
0
1
1
0
0
0
1
0
1
0
Hex Data
1E
8A
7
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