NEC 78K0S/KA1+ User Manual page 348

CHAPTER 21 ELECTRICAL SPECIFICATIONS (TARGET VALUES) ((T2) product)
AC Characteristics
(1) Basic operation (T = −40 to +125°C, V
A
Parameter
Cycle time (minimum
instruction execution time)
TI000 input high-level width,
low-level width
Interrupt input high-level
width, low-level width
RESET input low-level
width
Notes 1. Use this product in a voltage range of 2.26 to 5.5 V because the detection voltage (V
clear (POC) circuit is 2.26 V (MAX.).
2. Selection of fsam = f
mode register 00 (PRM00). Note that when selecting the TI000 valid edge as the count clock, fsam = f
348
= 2.0 to 5.5 V
DD
Symbol Conditions
T Crystal/ceramic oscillation
CY
clock, external clock input
High-speed internal
oscillation clock
t , 4.0 V ≤ V ≤ 5.5 V
TIH DD
t
TIL
2.0 V ≤ V
< 4.0 V
DD
t ,
INTH
t
INTL
t
RSL
, f /4, or f /256 is possible using bits 0 and 1 (PRM000, PRM001) of prescaler
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User's Manual U16898EJ3V0UD
(T2) product T
Note 1
, V = 0 V)
SS
MIN.
4.0 V ≤ V ≤ 5.5 V 0.25
DD
3.0 V ≤ V < 4.0 V 0.33
DD
2.7 V ≤ V < 3.0 V 0.4
DD
2.0 V ≤ V
< 2.7 V 1
DD
4.0 V ≤ V ≤ 5.5 V
0.23
DD
2.7 V ≤ V
< 4.0 V 0.47
DD
2.0 V ≤ V < 2.7 V 0.95
DD
2/fsam+
Note 2
0.1
2/fsam+
Note 2
0.2
1
2
− °C
+
= 40 to 125
A
TYP. MAX. Unit
µ
16 s
µ
16 s
µ
16 s
µ
16 s
µ
4.22 s
µ
4.22 s
µ
4.22 s
µ
s
µ
s
µ
s
µ
s
) of the power-on-
POC
.
XP