UPD789304 Datasheet, PDF (46/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD789304, 789306, 789314, 789316
AC Characteristics
(1) Basic operation (TA = –40 to +85°C, VDD = 1.8 to 5.5 V)
Parameter
Cycle time (minimum
instruction execution
time)
TMI40 input frequency
Symbol
TCY1
fTMI
Conditions
Operating with main
system clock
VDD = 2.7 to 5.5 V
Operating with subsystem clock
VDD = 2.7 to 5.5 V
TMI40 input high-/low-
level width
tTIMH,
tTIML
Interrupt input high-
/low-level width
tINTH,
tINTL
Key return input low- tKRL
level width
RESET low-level width tRSL
VDD = 2.7 to 5.5 V
INTP0 to INTP3
KR00 to KR03
MIN.
0.4
1.6
114
0
0
0.1
1.8
10
10
10
TYP.
122
MAX.
8.0
8.0
125
4
275
Unit
µs
µs
µs
MHz
kHz
µs
µs
µs
µs
µs
TCY vs. VDD (main system clock)
60
20
10
Guaranteed
operation range
2.0
1.0
0.5
0.4
0.1
123456
Power supply voltage VDD (V)
46
Data Sheet U14384EJ1V0DS