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AT29C040A-12TI

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
7
AT29C040A
0333I–FLASH–05/02
Input Test Waveforms and Measurement Level
Output Test Load
Note: 1. This parameter is characterized and is not 100% tested.
t
R
,t
F
<5ns
Pin Capacitance
f=1MHz,T=25°C
(1)
Symbol Typ Max Units Conditions
C
IN
46pFV
IN
=0V
C
OUT
812pFV
OUT
=0V
8
AT29C040A
0333I–FLASH–05/02
AC Byte Load Waveforms
(1)
WE Controlled
CE Controlled
Note: 1. A complete sector (256 bytes) should be loaded using the waveforms shown in these byte load waveform diagrams.
AC Byte Load Characteristics
Symbol Parameter Min Max Units
t
AS
,t
OES
Address, OE Setup Time 10 ns
t
AH
Address Hold Time 50 ns
t
CS
Chip Select Setup Time 0 ns
t
CH
Chip Select Hold Time 0 ns
t
WP
Write Pulse Width (WE or CE)90ns
t
DS
Data Setup Time 50 ns
t
DH
,t
OEH
Data, OE Hold Time 10 ns
t
WPH
Write Pulse Width High 100 ns
9
AT29C040A
0333I–FLASH–05/02
Program Cycle Waveforms
(1)(2)(3)
Notes: 1. A8 through A18 must specify the sector address during each high to low transition of WE (or CE).
2. OE
must be high only when WE and CE are both low.
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
Program Cycle Characteristics
Symbol Parameter Min Max Units
t
WC
WriteCycleTime 10 ms
t
AS
Address Setup Time 10 ns
t
AH
Address Hold Time 50 ns
t
DS
Data Setup Time 50 ns
t
DH
Data Hold Time 10 ns
t
WP
Write Pulse Width 90 ns
t
BLC
Byte Load Cycle Time 150 µs
t
WPH
Write Pulse Width High 100 ns
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AT29C040A-12TI

Mfr. #:
Buy AT29C040A-12TI
Manufacturer:
Microchip Technology / Atmel
Description:
NOR Flash 4M (512kx8)
Lifecycle:
New from this manufacturer.
Delivery:
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