AT49F008A Просмотр технического описания (PDF) - Atmel Corporation
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AT49F008A Datasheet PDF : 17 Pages
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AT49F008A(T)/8192A(T)
AC Read Characteristics
Symbol
tACC
tCE(1)
tOE(2)
tDF(3)(4)
tOH
tRO
Parameter
Address to
Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE,
CE or Address,
whichever occurred first
RESET to Output Delay
AT49F008A(T)/8192A(T)-70
Min
Max
70
70
0
30
0
25
0
800
AC Read Waveforms(1)(2)(3)(4)
AT49F008A(T)/8192A(T)-90
Min
Max
90
90
0
40
0
25
0
800
AT49F008A(T)/8192A(T)-120
Min
Max
Units
120
ns
120
ns
0
50
ns
0
30
ns
0
ns
800
ns
ADDRESS
ADDRESS VALID
CE
OE
RESET
OUTPUT
tCE
tOE
tACC
tRO
HIGH Z
tDF
tOH
OUTPUT
VALID
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.
Input Test Waveforms and Measurement Level Output Test Load
3.0V
5.0V
0.0V
tR, tF < 5 ns
Pin Capacitance
f = 1 MHz, T = 25°C(1)
Typ
Max
CIN
COUT
Note:
4
6
8
12
1. This parameter is characterized and is not 100% tested.
Units
pF
pF
Conditions
VIN = 0V
VOUT = 0V
9
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