SC91710A Datasheet, PDF (1/18 Pages) List of Unclassifed Manufacturers – TONE / PULSE SWITCHABLE DIALER WITH HANDFREE FUNCTION

Silan
Semiconductors
SC91710A/B
TONE / PULSE SWITCHABLE DIALER
WITH HANDFREE FUNCTION
DESCRIPTION
The SC91710A/B are Tone/Pulse switchable dialer which are
fabricated in COMS technology with wide operating voltage for both
tone and pulse mode, and consumes very low memory retention
current in ON-HOOK state.
DIP-16
FEATURES
*Tone/Pulse switchable dialer
*One 32-digit last number redial memory
*Pulse-to-tone (P→T) is provided for PBX operation
*Flash key is available
*Minimum tone duration is 98ms or 83ms
*Minimum intertone pause is 98ms or 83ms
*Redial Pause time (0ms)
*Uses 3.579549MHz crystal or ceramic resonator
*Many options can be selected
Mode (10PPS; 20PPS; Tone)
M/B ratio (40:60;33:66)
Pause time (3.6s)
*Flash function (RESET)
(P→T) pause time (3.6s)
Flash time (600ms; 300ms; 100ms; or 80ms)
DIP-18
*Mixed dialing
*Power on reset circuit is provided
*Handfree function is provided for speaker
phone application
*Packaged in 16-DIP or 18-DIP
ORDERING INFORMATION
SC91710A
SC91710B
DIP-16 Packaged
DIP-18 Packaged
PIN CONFIGURATION
C2 1
C3 2
C4 3
C1 4
OSCI 5
OSCO 6
XMUTE 7
VSS 8
16 R3
15 R2
14 R1
13 R4
12 TONE
11 PO
10 HKS
9 VDD
C2 1
C3 2
C4 3
C1 4
OSCI 5
OSCO 6
XMUTE 7
VSS 8
HFI 9
18 R3
17 R2
16 R1
15 R4
14 TONE
13 PO
12 HKS
11 VDD
10 HFO
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
2001-11-13
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