STM1404BSODQ6(2006) 查看數據表（PDF） - STMicroelectronics

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STM1404BSODQ6
(Rev.:2006)

3V FIPS-140 Security Supervisor with Battery Switchover

STMicroelectronics 

STM1404

Figure 3. QFN16 Connections

BLD(2) PFI VCCSW(1) VCC

RST(2)

MR

SAL(2)

VSS

16 15 14 13

1

12

2

11

3

10

4

56

7

89

VOUT

VBAT

PFO(2)

VREF or VTPU(3)

TP1 TP2 TP3 TP4

(NH) (NL) (NH) (NL)

AI09683

Note: See PIN DESCRIPTIONS of the full datasheet 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.

3/9

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