UPD78F0138 NEC, UPD78F0138 Datasheet - Page 477

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

AC Characteristics
(1) Basic operation
Notes 1.
Instruction cycle (minimum
instruction execution time)
TI000, TI010, TI001
TI011
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
(T
Note 3
A
2.
3.
4.
= −40 to +85°C, 2.7 V ≤ V
input high-level width,
Parameter
CHAPTER 29 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS, (A) GRADE PRODUCTS)
When the REGC pin is connected to V
When the REGC pin is directly connected to V
µ
780136(A), 780138(A), and 78F0138(A) only.
Selection of f
or PRM010, PRM011) of prescaler mode registers 00 and 01 (PRM00, PRM01). Note that when selecting
the TI000 or TI001 valid edge as the count clock, f
PD780133, 780134, 78F0134, 780136, 780138, 78F0138, 780133(A), 780134(A), 78F0134(A),
Note 3
,
sam
= f
T
t
t
f
t
t
t
t
t
t
XP
Symbol
TIH0
TIL0
TI5
TIH5
TIL5
INTH
INTL
KR
RSL
CY
, f
DD
,
,
,
XP
/4, f
= EV
Main
system
clock
operation
Subsystem clock operation
4.0 V ≤ V
2.7 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
XP
DD
/256, or f
≤ 5.5 V, 2.7 V ≤ AV
User’s Manual U16228EJ2V0UD
DD
DD
DD
DD
DD
DD
DD
DD
SS
X1 input
clock
Ring-OSC clock
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
XP
via a capacitor (1
, f
XP
/16, f
DD
Conditions
.
Note 1
Note 2
sam
XP
REF
/64 is possible using bits 0 and 1 (PRM000, PRM001
= f
≤ V
XP.
4.0 V ≤ V
4.0 V ≤ V
3.3 V ≤ V
2.7 V ≤ V
µ
DD
F: recommended).
, V
SS
DD
DD
DD
DD
= EV
≤ 5.5 V 0.238
≤ 5.5 V
< 4.0 V 0.238
< 3.3 V
SS
= AV
2/f
2/f
0.1
0.2
MIN.
4.17
114
100
100
0.2
0.4
50
50
10
sam
sam
1
Note 4
Note 4
SS
+
+
= 0 V)
TYP.
8.33
122
MAX.
16.67
125
16
16
16
16
10
5
MHz
Unit
µ
µ
µ
µ
µ
µ
µ
µ
ns
ns
µ
ns
ns
µ
s
s
s
s
s
s
s
s
s
s
477