SC91214 查看數據表（PDF） - Silan Microelectronics

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产品描述 (功能)

生产厂家

SC91214

T/P SWITCHABLE DIALER WITH REDIAL HANDFREE FUNCTION

Silan Microelectronics 

SC91214/91215 SERIES

(Continued)

Characteristics

Break Time

Symbol

TB

Inter-digit Pause Time

Pause Time

Auto-redial Break Time

Delay Time Key Valid to Signal

Out

Key-in Debounce

Key Release Debounce Time

Key-in Tone Duration

Key-in Tone Frequency

Minimum Tone Duration Time

Min. Tone Inter-digit Pause

Redial Tone Duration

Redial Tone Inter-digit Duration

TIDP

TPAU

TAOBK

TD

TKD

TKLD

TKTD

FKT

TMFD

TTIDP

TMFDR

TTIDPR

Conditions

10pps

M/B=1/2

M/B=2/3

20pps

M/B=1/2

M/B=2/3

10pps

20pps

Min.

Typ.

66.6

60.0

33.3

30.0

824

458

2.2

2.2

0

21

5.2

23

437

90

100

90

100

Max.

Unit

ms

ms

sec

sec

ms

ms

ms

ms

Hz

ms

ms

ms

ms

COMPARISONS OF SPECIFIED VS ACTUAL TONE FREQUENCIES (fosc=3.579MHz)

R/C

Spec.

Actual

Error (%)

Unit

R1

697

699.1

+0.31

Hz

R2

770

771.5

+0.19

Hz

R3

852

852.3

+0.03

Hz

R4

941

942.0

+0.10

Hz

C1

1,29

1,215.7

+0.57

Hz

C2

1,336

1,331.7

-0.32

Hz

C3

1,477

1,471.9

-0.35

Hz

KEYBOARD ASSIGNMENT

1) */T: In PULSE mode this key works as Pulse→DTMF key (T key). In DTMF mode the key works as * key.

*/T key will occupy one memory digit in either use.

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:1.0 2004.08.03

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