fm93c86a Fairchild Semiconductor, fm93c86a Datasheet - Page 9

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

FM93C86A Rev. C.1
WRITE DISABLE CYCLE (WDS)
CS
SK
DI
DO
9 3 C 8 6 A ( O R G = 1 ;
9 3 C 8 6 A ( O R G = 0 ;
WRITE CYCLE (WRITE)
CS
SK
DI
DO
93C86A (ORG=1;
93C86A (ORG=0;
WRITE ALL CYCLE (WRALL)
CS
SK
DI
DO
9 3 C 8 6 A ( O R G = 1 ;
9 3 C 8 6 A ( O R G = 0 ;
A d d r e s s b i t s p a t t e r n - > 0 - 0 - x - x - x - x - x - x - x - x ; ( x - > D o n’ t C a r e , c a n b e 0 o r 1 )
A d d r e s s b i t s p a t t e r n - > 0 - 0 - x - x - x - x - x - x - x - x - x ; ( x - > D o n’ t C a r e , c a n b e 0 o r 1 )
Address bits patter n -> A9-A8-A7-A6-A5-A4-A3-A2-A1-A0; User defined
Data bits patter n
Address bits patter n -> A10-A9-A8-A7-A6-A5-A4-A3-A2-A1-A0; User defined
Data bits patter n
A d d r e s s b i t s p a t t e r n - > 0 - 1 - x - x - x - x - x - x - x - x ; ( x - > D o n ' t C a r e, c a n b e 0 o r 1 )
D a t a b i t s p a t t e r n
A d d r e s s b i t s p a t t e r n - > 0 - 1 - x - x - x - x - x - x - x - x - x ; ( x - > D o n ' t C a r e, c a n b e 0 o r 1 )
D a t a b i t s p a t t e r n
(Continued)
S t a r t
B i t
1
A
A
n
n
A
A
=A9
=A10
Star t
Bit
n
n
A
A
=A9; D
=A10; D
1
S t a r t
B i t
n
n
O p c o d e
B i t s ( 2 )
0
=A9; D
=A10; D
1
) :
) :
Opcode
Bits(2)
0
n
0
=D15
n
O p c o d e
B i t s ( 2 )
=D7
0
n
-> D15-to-D0; User defined
-> D7-to-D0; User defined
=D15
n
=D7
A
1
- > D 1 5 - t o - D 0 ; U s e r d e f i n e d
- > D 7 - t o - D 0 ; U s e r d e f i n e d
):
):
n
0
) :
) :
A
A
n-1
n
A
A d d r e s s
B i t s ( 1 0 / 11 )
n
A
n-1
A
Address
Bits(10/11)
n-1
A1
A d d r e s s
B i t s ( 1 0 / 1 1 )
A0
A1
High - Z
A1
t
A0
CS
High - Z
A0
D
High - Z
n
D
D
n
n-1
Data
Bits(16/8)
D
n-1
D a t a
B i t s ( 1 6 / 8 )
D1
D0
D1
D0
t
WP
Busy
t
WP
Ready
Busy
Ready
www.fairchildsemi.com