m51945a Renesas Electronics Corporation., m51945a Datasheet - Page 4

• Manufacturer Part Number: m51945a
• Description: Voltage Detecting, System Resetting Ic Series
• Manufacturer: Renesas Electronics Corporation.

M51945A,B/M51946A,B
Typical Characteristics
REJ03D0774-0300 Rev.3.00 Sep 18, 2007
Page 4 of 10
1.28
1.27
1.26
1.25
1.24
1.23
1.22
500
400
300
200
100
1.0
0.8
0.6
0.4
0.2
0
0
Detection Voltage vs. Supply Voltage
0
0
0
Ta = 25°C
Ambient Temperature Ta (°C)
(Input voltage detection series)
Threshold Operating Voltage
Supply Voltage V
Supply Voltage V
0.2
25
4
(Maximum Rating)
Thermal Derating
([L] reset type)
0.4
50
5-pin SIP
8
8-pin SOP
(PRSP0008DE-C)
: recommend
0.6
75
12
8-pin SOP
(PRSP0008DA-A)
: not recommend
85
CC
CC
R
R
R
L
L
L
100
0.8
16
= 2.2kΩ
= 22kΩ
= 100kΩ
(V)
(V)
V
V
SH
SL
125
1.0
20
Output Saturation Voltage vs. Output Sink Current
1.28
1.27
1.26
1.25
1.24
1.23
1.22
250
200
150
100
Detection Voltage vs. Ambient Temperature
0.3
0.2
0.1
50
–40
0
0
0
0
V
Supply voltage detecting "L" reset type
Except above mentioned
Output Sink Current Isink (mA)
Input Current vs. Supply Voltage
Ambient Temperature Ta (°C)
(Input voltage detection series)
(Input voltage detection series)
IN
–20
: V
: V
= 1.25V
Supply Voltage V
1
CC
CC
4
= 4V
= 5V
0
2
8
20
3
40
12
4
CC
60
Ta = –30°C
Ta = 25°C
Ta = 85°C
V
V
16
SH
SL
(V)
5
80
100
20
6