R5105N RICOH Co.,Ltd., R5105N Datasheet - Page 5

• Manufacturer Part Number: R5105N
• Description: Microprocessor Supervisory Circuit
• Manufacturer: RICOH Co.,Ltd.

ELECTRICAL CHARACTERISTICS
R5105NxxxA/C
The number written in bold font is applied to the temperature range from -40 C to 105 C
Bold type values are guaranteed by design.
TYPICAL APPLICATIONS
C
Symbol
-V
Power supply
I
T
I
V
CD
V
-V
V
DOUTN
DOUTP
tp
T
T
V
Iss
Topt
SCKW
SCKH
SCKL
DET
HYS
V
C
WD
WR
IN
DET
LH
DD
D
/
R5105NxxxA
Series
GND
Operating Voltage
Supply Current
Detector Threshold
Detector Threshold
Temperature Coefficient
Detector Threshold
Hysteresis
Output Delay Time
Output Current (RESETB
Output pin)
Output Current (RESETB
Output pin)
Watchdog Timeout period
Reset Hold Time of WDT
SCK Input "H"
SCK Input "L"
SCK Input Pulse Width
RESETB
SCK
TW
Unless otherwise specified, V
Item
R
C
TW
V
RESET
I/O
DD
P
V
Clock pulse input
V
-40 C Topt 105 C
C
Nch, V
Pch, V
(R5105NxxxC)
C
C
V
V
Voltage Detector
Watchdog Timer
IN
IN
SCKL
SCKH
D
TW
TW
=0.1 F
=(-V
=0.1uF
=0.1uF
pin Threshold
=V
=V
DD
DD
DET
IN
IN
Conditions
=6.0V, V
=1.2V, V
IN
x0.2,
=6.0V, C
)+0.5V
x0.8
C
Power supply
CD
V
C
DS
DS
DD
D
T
=0.5V
=0.1V
=0.1uF, Rpull-up=100k
R5105NxxxC
Series
GND
RESETB
x0.990
x0.972
(-V
x0.03
V
IN
SCK
Min.
0.38
0.65
TW
340
230
500
0.9
DET
0.0
x0.8
29
)
(-V
x0.05
Typ.
C
0.80
0.90
370
310
DET
100
34
11
TW
)
V
RESET
I/O
x1.010
x1.015
(-V
x0.07
V
DD
IN
Max.
467
450
6.0
DET
6.0
x0.2
15
48
P
Topt=25 C
)
R5105N
ppm/
Unit
mA
mA
ms
ms
ms
µA
ns
V
V
V
V
V
C
5