fm93c86a Fairchild Semiconductor, fm93c86a Datasheet - Page 10

• Manufacturer Part Number: fm93c86a
• Description: 16k-bit Serial Cmos Eeprom Microwire ?ynchronous Bus
• Manufacturer: Fairchild Semiconductor

FM93C86A Rev. C.1
ERASE ALL CYCLE (ERAL)
CS
SK
DI
DO
93C86A (ORG=1;
93C86A (ORG=0;
ERASE CYCLE (ERASE)
CS
SK
DI
DO
9 3 C 8 6 A ( O R G = 1 ;
9 3 C 8 6 A ( O R G = 0 ;
CLEARING READY STATUS
CS
SK
DI
DO
N o t e : T h i s S t a r t b i t c a n a l s o b e p a r t o f a n ex t i n s t r u c t i o n . H e n c e t h e c y c l e
c a n b e c o n t i nu e d ( i n s t e a d o f g e t t i n g t e r m i n a t e d , a s s h ow n ) a s i f a n ew
i n s t r u c t i o n i s b e i n g i s s u e d .
Address bits pattern -> 1-0-x-x-x-x-x-x-x-x; (x -> Don’t Care, can be 0 or 1)
Address bits pattern -> 1-0-x-x-x-x-x-x-x-x-x; (x -> Don’t Care, can be 0 or 1)
Address bits patter n - > A 9 - A 8 - A 7 - A 6 - A 5 - A 4 - A 3 - A 2 - A 1 - A 0 ; U s e r d e f i n e d
Address bits patter n - > A 1 0 - A 9 - A 8 - A 7 - A 6 - A 5 - A 4 - A 3 - A 2 - A 1 - A 0 ; U s e r d e f i n e d
(Continued)
High - Z
A
A
Start
Bit
n
n
=A9
=A10
1
A
A
):
Star t
B i t
n
n
):
=A9):
=A10
1
Opcode
Bits(2)
0
):
0
Opcode
Bits(2)
1
High - Z
Busy
A
n
1
A
High - Z
n-1
Address
Bits(10/11)
A
n
A
n-1
A1
Address
Bits(10/11)
Ready
A0
A1
t
WP
S t a r t
B i t
Busy
A0
High - Z
Ready
t
WP
Busy
Ready
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