SC91650B 查看數據表（PDF） - Silan Microelectronics

零件编号

产品描述 (功能)

生产厂家

SC91650B

13 MEMORY TONE / PULSE DIALER WITH REDIAL SAVE HANDFREE & HOLD FUNCTION

Silan Microelectronics 

Silan

Semiconductors

SC91650/1/2 A/B

TYPACAL APPLICATION CIRCUIT (for SC91652B)

1N4004x4

Tip

ON HOOK

100kΩ

MPSA92

22MΩ

IN4148

Ring

ZNR

120V

200kΩ

C945

470kΩ

2.2kΩ

IN4148

3.3kΩ

C945

47kΩ

100µF

16V

1µF 5.1V

13 16

14 HKS

VDD TONE

0.2µF

15 PO

PMUTE 1

HF

KEY

HFO

11 HFI

KT 22

XMUTE 9

HFO 12

C945

200Ω

2 to 4 wire

speech network & audio

amplifier

3.579545MHz

VDD

MODE 10pps

SW 20pps

TONE

SC91652B

7 OSCI

8 OSCO

R1 18

R2 19

R3 20

17 MODE

R4 21

C1 2

VSS C5 C4 C3 C2

10 6 5 4 3

0.01µF

TO HANDSET

1 2 3 SA EM1

4 5 6 F EM2

7 8 9 A EM3

*/T 0 # RD/P ST

820kΩx7

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

REV: 1.0

2001.01.15

29

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