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AT49BV040 Datasheet(PDF) 6 Page - ATMEL Corporation

Part No. AT49BV040
Description  4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT49BV040 Datasheet(HTML) 6 Page - ATMEL Corporation

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AT49BV/LV040
6
Input Test Waveforms and Measurement level
tR, tF < 5 ns
Output test Load
AC Read Waveforms(1)(2)(3)(4)
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.
AC Read Characteristics
Symbol
Parameter
AT49BV/LV040-12
AT49BV/LV040-15
AT49BV/LV040-20
Units
MinMax
MinMax
MinMax
tACC
Address to Output Delay
120
150
200
ns
tCE
(1)
CE to Output Delay
120
150
200
ns
tOE
(2)
OE to Output Delay
0
50
0
70
0
80
ns
tDF
(3)(4)
CE or OE to Output Float
0
30
0
40
0
50
ns
tOH
Output Hold from OE, CE or Address,
whichever comes first
000
ns
Pin Capacitance
(f = 1 MHz, T = 25°C)(1)
Note:
1.
This parameter is characterized and is not 100% tested.
Typ
Max
Units
Conditions
CIN
46
pF
VIN = 0V
COUT
812
pF
VOUT = 0V


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