73k222al ETC-unknow, 73k222al Datasheet - Page 20

• Manufacturer Part Number: 73k222al
• Description: V.22, V.21, Bell 212a, Single-chip Modem
• Manufacturer: ETC-unknow

73K222AL
V.22, V.21, Bell 212A, 103
Single-Chip
TIMING DIAGRAMS
BUS TIMING DIAGRAM (PARALLEL VERSION)
READ TIMING DIAGRAM (SERIAL VERSION)
WRITE TIMING DIAGRAM (SERIAL VERSION)
AD0-AD7
ALE
WR
RD
AD0-AD2
CS
EXCLK
AD0-AD2
EXCLK
AD7
RD
AD7
WR
TAC
ADDRESS
TLL
ADDRESS
TAL
TCA
D0
TRD
TDCK
D0
TLA
TLC
D1
TRD
D1
TRW
READ DATA
TCKD
D2
D2
TRDF
TCL
D3
20
D3
ADDRESS
D4
D4
TLC
D5
D5
TWW
D6
WRITE DATA
TDW
D6
TCKW
D7
TWD
ADDRESS
TAC
D7
TWH
TRDF
TWW
TCA