fm93c46 Fairchild Semiconductor, fm93c46 Datasheet - Page 10

• Manufacturer Part Number: fm93c46
• Description: 1024-bit Serial Cmos Eeprom Microwire ?ynchronous Bus
• Manufacturer: Fairchild Semiconductor

FM93C46 Rev. D.1
ERASE CYCLE (ERASE)
CS
SK
DI
DO
9 3 C 4 6 :
A d d r e s s b i t s p a t t e r n - > U s e r d e f i n e d
ERASE ALL CYCLE (ERAL)
CS
SK
DI
DO
9 3 C 4 6 :
A d d r e s s b i t s p a t t e r n - > 1 - 0 - x - x - x - x
CLEARING READY STATUS
CS
SK
DI
DO
Note: This Star t bit can also be par t of a next instr uction. Hence the cycle
can be continued (instead of getting ter minated, as shown) as if a new
instr uction is being issued.
(Continued)
High - Z
S t a r t
B i t
S t a r t
B i t
1
1
O p c o d e
B i t s ( 2 )
O p c o d e
B i t s ( 2 )
1
0
Busy
1
0
; ( x - > D o n ’ t C a r e , c a n b e 0 o r 1 )
High - Z
High - Z
A5
A5
A4
A4
A d d r e s s
B i t s ( 6 )
A d d r e s s
B i t s ( 6 )
Ready
A1
A1
Star t
Bit
A0
A0
High - Z
t
t
CS
CS
t
t
WP
WP
Busy
Busy
Ready
Ready
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