Write algorithm(1), At28bv64b, Write algorith m – Rainbow Electronics AT28BV64B User Manual
Page 7: Page mode characteristics

AT28BV64B
7
Write Algorithm
Notes for software program code:
1.
Data Format: I/O7 - I/O0 (Hex); Address Format: A12 - A0 (Hex).
2.
Data protect state will be re-activated at the end of the write cycle.
3.
1 to 64 bytes of data are loaded.
Page Mode Characteristics
Symbol
Parameter
Min
Max
Units
t
WC
Write Cycle Time
10
ms
t
AS
Address Set-up Time
0
ns
t
AH
Address Hold Time
100
ns
t
DS
Data Set-up Time
100
ns
t
DH
Data Hold Time
0
ns
t
WP
Write Pulse Width
200
ns
t
BLC
Byte Load Cycle Time
100
µs
t
WPH
Write Pulse Width High
100
ns
LOAD DATA AA
TO
ADDRESS 1555
LOAD DATA 55
TO
ADDRESS 0AAA
LOAD DATA A0
TO
ADDRESS 1555
LOAD DATA XX
TO
ANY ADDRESS
(3)
LOAD LAST BYTE
TO
LAST ADDRESS
ENTER DATA
PROTECT STATE
WRITES ENABLED
(2)
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