Electronics America Single-Chip Microcontrollers User's Manual

CHAPTER 22 ELECTRICAL SPECIFICATIONS ( µ PD789488, 78F9488, 789489, 78F9489)
352 User’s Manual U15331EJ4V1UD
AC Characteristics
(1) Basic operation (T
A = –40 to +85°C, VDD = 1.8 to 5.5 V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
VDD = 2.7 to 5.5 V 0.4 8.0 µ s Operating with main system
clock
V
DD = 1.8 to 5.5 V 1.6 8.0 µ s
Original
oscillation
operation
V
DD = 1.8 to 5.5 V 114 122 125 µ s
Cycle time (minimum
instruction execution
time)
T
CY
Operating
with
subsystem
clock
× 4
multiplication
operation
V
DD = 2.7 to 5.5 V 14.3 15.3 15.6 µ s
Capture input high-/low-
level width
tCPTH,
t
CPTL
CPT20 10
µ s
VDD = 2.7 to 5.5 V 0 4 MHz TMI60, TMI61 input
frequency
fTI
V
DD = 1.8 to 5.5 V 0 275 kHz
VDD = 2.7 to 5.5 V 0.125 µ s TMI60, TMI61 input
high-/low-level width
tTIH,
t
TIL
V
DD = 1.8 to 5.5 V 1.8 µ s
Interrupt input high-
/low-level width
tINTH,
t
INTL
INTP0 to INTP3 10
µ s
KR0 to KR7( µ PD789488, 78F9488) 10 µ s Key return input low-
level width
tKRL
KR00 to KR07, KR10 to KR17 (
µ 789489,
78F9489)
10 µ s
RESET low-level width tRSL 10 µ s
T
CY vs. VDD (main system clock)
Power supply voltage V DD (V)
Cycle time T
CY
[ s]
µ
123456
0.1
0.4
1.0
10
60
8.0
Guaranteed
operation range