NEC 78K0/KD1 Series User Manual page 416

CHAPTER 27 ELECTRICAL SPECIFICATIONS (TARGET VALUES)
AC Characteristics
(1) Basic operation
= − − − − 40 to +85° ° ° ° C, 2.7 V ≤ ≤ ≤ ≤ V
(T
A
Parameter
Instruction cycle (minimum
instruction execution time)
TI000, TI010 input high-level
width, low-level width
TI50, TI51 input frequency
TI50, TI51 input high-level width,
low-level width
Interrupt input high-level width,
low-level width
Key return input low-level width
RESET low-level width
Notes 1. When the REGC pin is connected to V
2. When the REGC pin is directly connected to V
3. Selection of f
sam
register 00 (PRM00). Note that when selecting the TI000 or TI010 valid edge as the count clock, f
416
≤ ≤ ≤ ≤ 5.5 V, 2.7 V ≤ ≤ ≤ ≤ AV
= EV
DD DD
Symbol
T Main X1 input
CY
system clock
clock
operation
Ring-OSC clock
Subsystem clock operation
4.0 V ≤ V ≤ 5.5 V
t ,
TIH0 DD
t
TIL0
2.7 V ≤ V
< 4.0 V
DD
4.0 V ≤ V ≤ 5.5 V
f
TI5 DD
2.7 V ≤ V
< 4.0 V
DD
4.0 V ≤ V ≤ 5.5 V
t ,
TIH5 DD
t
2.7 V ≤ V
TIL5
< 4.0 V
DD
t ,
INTH
t
INTL
4.0 V ≤ V ≤ 5.5 V
t
KR DD
2.7 V ≤ V
< 4.0 V
DD
t
RST
via a 0.1 µ F capacitor.
SS
= f , f /4, f /256 is possible using bits 0 and 1 (PRM000, PRM001) of prescaler mode
XP XP XP
Preliminary User's Manual U16315EJ1V0UD
≤ ≤ ≤ ≤ V
, V = EV
REF DD SS SS
Conditions
3.3 V ≤ V ≤ 5.5 V 0.238
Note 1
DD
2.7 V ≤ V
< 3.3 V
DD
4.0 V ≤ V ≤ 5.5 V
Note 2
DD
3.3 V ≤ V
< 4.0 V 0.238
DD
2.7 V ≤ V
< 3.3 V
DD
.
DD
= AV = 0 V)
SS
MIN. TYP. MAX. Unit
µ s
16
µ s
0.4 16
µ s
0.2 16
µ s
16
µ s
0.4 16
µ s
4.17 8.33 16.67
µ s
114 122 125
µ s
2/f +
sam
Note 3
0.1
µ s
2/f +
sam
Note 3
0.2
10 MHz
5
50 ns
100 ns
µ s
1
50 ns
100 ns
µ s
10
= f
sam XP.