BD4728G Rohm, BD4728G Datasheet - Page 4
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BD4728G
Manufacturer Part Number
BD4728G
Description
RESET IC
Manufacturer
Rohm
Datasheets
1.BD4729G.pdf
(9 pages)
2.BD4728G.pdf
(6 pages)
3.BD4728G.pdf
(5 pages)
4.BD4728G.pdf
(8 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BD4728G-TR
Manufacturer:
ROHM/罗姆
Quantity:
20 000
BD47XXG
Setting of the RESET signal delay time
Delay time can be set by capacitor C
CL is charged by R
time constant of C
when Vcc is falling. The delay time of RESET signal is determined by adding the delay time of single
RESET IC to each time.
Part number and Marking of samples
( 5 )
( 1 )
GND
Vcc
( 2 )
Vout
Marking
L
( 4 )
( 3 )
L
, R
when Vcc is rising. The delay time caused by charging is determined by the
R
C
L
L
L
and the threshold voltage of RESET pin. RESET IC discharges C
Lot.No
RESET
GND
V
DD
CPU
Micro-controller
L
Marking
and resistance R
BA
BB
BC
BD
BE
BF
BG
BH
B3
BJ
Voltage
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
RESET
(=VOUT)
VCC
Part No.
BD4719
BD4720
BD4721
BD4722
BD4723
BD4724
BD4725
BD4726
BD4727
BD4728
L
VS+∆VS
VCC
VS
0V
VOH
VOL
connected to the output pin as shown below.
Marking
BK
BL
BM
BN
B4
BP
BQ
BR
BS
BT
T
PLH
Voltage
2.9V
3.0V
3.1V
3.2V
3.3V
3.4V
3.5V
3.6V
3.7V
3.8V
Part No.
BD4729
BD4730
BD4731
BD4732
BD4733
BD4734
BD4735
BD4736
BD4737
BD4738
T
PHL
Marking
BU
BV
BW
BX
BY
BZ
B1
B2
L
forcedly
Voltage
3.9V
4.0V
4.1V
4.2V
4.3V
4.4V
4.5V
4.6V
T
PLH
Part No.
BD4739
BD4740
BD4741
BD4742
BD4743
BD4744
BD4745
BD4746