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AT29BV020 Datasheet(PDF) 5 Page - ATMEL Corporation

Part No. AT29BV020
Description  2 Megabit 256K x 8 Single 2.7-volt Battery-Voltage CMOS Flash Memory
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT29BV020 Datasheet(HTML) 5 Page - ATMEL Corporation

 
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AC Read Characteristics
AT29BV020-25
AT29BV020-35
Symbol
Parameter
Min
Max
Min
Max
Units
tACC
Address to Output Delay
250
350
ns
tCE (1)
CE to Output Delay
250
350
ns
tOE (2)
OE to Output Delay
0
120
0
150
ns
tDF (3, 4)
CE or OE to Output Float
0
60
0
75
ns
tOH
Output Hold from OE, CE or Address,
whichever occurred first
00
ns
AC Read Waveforms
Notes: 1. CE may be delayed up to tACC - tCE after the address
transition without impact on tACC .
2. OE may be delayed up to tCE - tOE after the falling
edge of CE without impact on tCE or by tACC - tOE
after an address change without impact on tACC .
3. tDF is specified from OE or CE whichever occurs first
(CL = 5 pF).
4. This parameter is characterized and is not 100% tested.
tR, tF < 5 ns
Input Test Waveforms and Measurement Level
Output Test Load
Pin Capacitance
(f = 1 MHz, T = 25°C)
(1)
Typ
Max
Units
Conditions
CIN
46
pF
VIN = 0V
COUT
812
pF
VOUT = 0V
Note:
1. These parameters are characterized and not 100% tested.
AT29BV020
4-17


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