AT27C1024-15VC View Datasheet(PDF) - Atmel Corporation
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AT27C1024-15VC Datasheet PDF : 14 Pages
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AT27C1024
9. AC Characteristics for Read Operation
Symbol
Parameter
Condition
tACC(1)
tCE(1)
tOE(1)
tDF(1)
Address to Output Delay
CE = OE = VIL
CE to Output Delay
OE = VIL
OE to Output Delay
CE = VIL
OE or CE High to Output Float, Whichever Occurred First
tOH
Output Hold from Address, CE or OE, Whichever
Occurred First
Note: 1. See AC Waveforms for Read Operation.
AT27C1024
-45
-70
Min
Max
Min
Max
45
70
45
70
20
25
20
25
7
7
10. AC Waveforms for Read Operation(1)
Units
ns
ns
ns
ns
ns
Notes:
1. Timing measurement reference level is 1.5V for -45. Input AC drive levels are VIL = 0.0V and VIH = 3.0V. Timing measure-
ment reference levels for all other speed grades are VOL = 0.8V and VOH = 2.0V. Input AC drive levels are VIL = 0.45V and VIH
= 2.4V.
2. OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE.
3. OE may be delayed up to tACC - tOE after the address is valid without impact on tACC.
4. This parameter is only sampled and is not 100% tested.
5. Output float is defined as the point when data is no longer driven.
5
0019M–EPROM–12/07
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