User guide

9
AT29C512
0456E–FLASH–5/02
Program Cycle Waveforms
(1)(2)(3)
Notes: 1. A7 through A15 must specify the sector address during each high-to-low transition of WE (or CE).
2. OE
must be high when WE and CE arebothlow.
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 Set-up Time 0 ns
t
AH
Address Hold Time 50 ns
t
DS
Data Set-up Time 35 ns
t
DH
Data Hold Time 0 ns
t
WP
Write Pulse Width 90 ns
t
BLC
Byte Load Cycle Time 150 µs
t
WPH
Write Pulse Width High 100 ns