upd75112 Renesas Electronics Corporation., upd75112 Datasheet - Page 49

• Manufacturer Part Number: upd75112
• Description: 4-bit Single Chip-microcomputer
• Manufacturer: Renesas Electronics Corporation.

Capacitance
(Ta = 25 C, V
Comparator Characteristics
(Ta = –40 to +85 C, V
Power-On Reset Circuit Characteristics (Mask Option)
(Ta = –40 to +85 C)
Note: Start the power supply smoothly.
Input capacitance
Output capacitance
Input/output capacitance
Power-on reset operating voltage high
Power-on reset operating voltage low
Supply voltage rise time
Supply voltage off time
Power-on reset circuit
current consumption*2
Comparison accuracy
Threshold voltage
PTH input voltage
Comparator circuit consumption
*1: 2
2: Current flow upon power-on reset or with an on-chip power-on flag
Parameter
17
/f
Parameter
XX
Parameter
(31.3 ms when f
DD
V
DD
= 0 V)
DD
= 4.5 to 6.0 V)
XX
Symbol
= 4.19MHz)
C
C
C
OUT
IN
IO
Symbol
V
V
ACOMP
V
IPTH
TH
Symbol
f = 1 MHz
0 V for pins except
the measured pins
V
I
V
DDPR
t
Test Conditions
DDH
DDL
t
off
r
Set PTHM7 to "1".
V
V
Test Conditions
DD
DD
Test Conditions
= 5 V 10%
= 2.5 V
t
off
MIN.
t
r
MIN.
MIN.
V
0
0
TYP.
4.5
10
DDL
V
0
1
DDH
TYP.
MAX.
1
TYP.
15
15
15
10
2
PD75112, 75116
MAX.
V
V
MAX.
Unit
100
pF
pF
pF
DD
100
DD
6.0
0.2
*1
20
Unit
mV
mA
Unit
V
V
V
V
s
A
A
s
49