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STM1404CSNDQ6F 데이터시트(PDF) 8 Page - STMicroelectronics

부품명 STM1404CSNDQ6F
상세설명  3 V FIPS-140 security supervisor with battery switchover
PDF  35 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM1404CSNDQ6F 데이터시트(HTML) 8 Page - STMicroelectronics

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Description
STM1404
8/36
Figure 2.
QFN16 connections
Note:
See Section 2: Pin descriptions on page 11 for details.
1.
Normal mode: low when VOUT is internally switched to VCC and high when VOUT is internally switched to
battery.
2.
SAL, RST, PFO, and BLD are open drain.
3.
VREF only for STM1404A; VTPU for STM1404B/C.
Figure 3.
Block diagram
1.
Required for battery-reverse charging protection
2.
User supplied
3.
Open drain
4.
VREF only for STM1404A; VTPU for STM1404B/C
1
PFO(2)
PFI
TP1
(NH)
BLD(2)
MR
RST(2)
VCC
VCCSW
(1)
VOUT
VREF or VTPU
(3)
VBAT
VSS
AI09683
2
3
4
8
7
6
5
SAL(2)
9
10
11
12
13
14
15
16
TP2
(NL)
TP3
(NH)
TP4
(NL)
AI09684a
COMPARE @
POWER-UP
VRST
VINT
VOUT
VREF
(4)
1.237V VREF
Generator
COMPARE
COMPARE
COMPARE
COMPARE
COMPARE
High Temp.
Sense
TA > TH
Low Temp.
Sense
TA < TL
trec
Generator
VPFI
VBAT
(1)
VDET
VHV
VLV
VSO
VCC
PFI
TP1 (NH)
TP2 (NL)
TP3 (NH)
TP4 (NL)
MR
RST
(3)
PFO
(3)
BLD
(3)
VCCSW
SAL
(3)
VTPU
(4)
BAT54J
(1,2)



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