UPD72001-A8 NEC [NEC], UPD72001-A8 Datasheet - Page 26

• Manufacturer Part Number: UPD72001-A8
• Description: MULTI-PROTOCOL SERIAL CONTROLLERS
• Manufacturer: NEC [NEC]

Clock Timing
Read Cycle Timing
Write Cycle Timing
Read/Write Cycle Timing (except transfer of transmit/receive data)
26
RD, WR
C/D, B/A
C/D, B/A
CLK
D7-0
D7-0
WR
RD
t
t
t
SAW
WKH
SAR
Hi-Z
Hi-Z
t
KF
t
DAD
t
CYK
t
DRD
t
WKL
t
t
WRL
WWL
t
SDW
t
KR
t
RV
t
t
HWD
FRD
t
t
PD72001-11, 72001-A8
HRA
HWA
Hi-Z
Hi-Z