AT27LV512A-12 Ver la hoja de datos (PDF) - Atmel Corporation
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AT27LV512A-12 Datasheet PDF : 12 Pages
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AT27LV512A
AC Characteristics for Read Operation
VCC = 3.0V to 3.6V and 4.5V to 5.5V
Symbol
tACC(3)
tCE(2)
tOE(2)(3)
tDF(4)(5)
tOH
Parameter
Address to Output Delay
CE to Output Delay
OE/VPP to Output Delay
OE/VPP or CE High to
Output Float, whichever
occurred first
Output Hold from Address,
CE or OE/VPP, whichever
occurred first
Condition
CE = OE/VPP = VIL
OE/VPP = VIL
CE = VIL
-70
Min Max
70
70
40
35
0
AT27LV512A
-90
-12
Min Max Min Max
90
120
90
120
50
50
40
40
0
0
-15
Min Max
150
150
60
50
0
Units
ns
ns
ns
ns
ns
AC Waveforms for Read Operation(1)
Notes:
1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.
2. OE/VPP may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE.
3. OE/VPP 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
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