9. AC Characteristics for Read Operation
V CC = 2.7V to 3.6V and 4.5V to 5.5V
AT27BV4096-12
Symbol
t ACC (3)
t CE (2)
Parameter
Address to Output Delay
CE to Output Delay
Condition
CE = OE
= V IL
OE = V IL
Min
Max
120
120
Units
ns
ns
t OE
(2)(3)
OE to Output Delay
CE = V IL
35
ns
t DF (4)(5)
t OH
OE or CE High to Output Float, Whichever
Occurred First
Output Hold from Address, CE or OE,
Whichever Occurred First
0
30
ns
ns
10. AC Waveforms for Read Operation (1)
Notes:
6
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 may be delayed up to t CE - t OE after the falling edge of CE without impact on t CE .
3. OE may be delayed up to t ACC - t OE after the address is valid without impact on t ACC .
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.
6. When reading a AT27BV4096, a 0.1 μF capacitor is required across V CC and ground to suppress spurious voltage
transients.
AT27BV4096
0640E–EPROM–8/07
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