UPD4702C NEC [NEC], UPD4702C Datasheet - Page 7

• Manufacturer Part Number: UPD4702C
• Description: INCREMENTAL ENCODER 8-BIT UP/DOWN COUNTER CMOS INTEGRATED CIRCUITS
• Manufacturer: NEC [NEC]

AC Timings
Borrow
Carry
(CD)
Reset
A/B
CD
STB
A/B
OE
0–7
(0FEH)
A
B
t
DRSCD
t
DOECD
(0FFH)
t
t
DABCB
PWRS
t
t
SAB
SRSAB
Fig. 3 Carry/Borrow Signal Output Timing
(00)
t
t
Fig. 1 Two-Phase Signal Input Timing
PWABH
PWCB
Fig. 2 Count Data Output Timing
t
SAB
t
DABCD
(01)
t
t
PWABH
CYAB
t
SABSTB
t
SAB
(00)
t
t
PWABL
t
DABCB
CYAB
t
SAB
(0FFH)
t
t
PWABL
PWCB
(0FEH)
t
DSTBCD
(0FDH)
t
FOECD
PD4702
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