W91810N SERIES
23-MEMORY TONE/PULSE DIALER WITH
HANDFREE, LOCK AND HOLD FUNCTIONS
GENERAL DESCRIPTION
The W91810N is a series of tone/pulse switchable telephone dialers with 23 memory, keytone, hold,
lock, mute, volume control and handfree dialing control features. These chips are fabricated using
Winbond's high-performance CMOS technology and thus offer good performance in low-voltage, low-
power operations.
FEATURES
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Tone/pulse switchable dialer
Two by 32 digits redial and save memory
Three by 32 digits one-touch direct repertory memory
Twenty by 32 digits one-touch direct or two-touch indirect repertory memory
Pulse-to-tone (*/T) keypad for long distance call operation
Chain dialing
Uses 6
×
6 or 7
×
7 keyboard
Easy operation with redial, flash, pause, and */T keypads
Pause, P→T (pulse-to-tone) can be stored as a digit in memory
Dialing rate: 10 or 20 ppS by mask option
Minimum tone output duration: 93 mS
Minimum intertone pause: 93 mS
Pause time: 3.6 sec.
Flash break time (73 mS, 100 mS, 300 mS, or 600 mS) selectable by keypad; pause time is 1.0 S
Make/break ratio (2:3 or 1:2) selectable by MODE pin
Mute key for speech network mute
No key will be accepted except the "HOLD" key when in the Hold mode
4-level volume control by V1 and V2 pin - default value is zero
Key tone output for valid keypad entry recognition
On-chip power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
22, 24 or 28-pin dual-in-line plastic package
The different dialers in the W91810N series are shown in the following table:
TYPE NO.
W91810N
W91810AN
W91810LN
W91810ALN
W91811AN
W91811ALN
W91812N
W91812AN
W91813AN
PULSE
(ppS)
10
10
10
10
10
10
20
20
20
MEMORY
13 one touch, 10 two touch
13 one touch, 10 two touch
13 one touch, 10 two touch
13 one touch, 10 two touch
23 one touch
23 one touch
13 one touch, 10 two touch
13 one touch, 10 two touch
23 one touch
LOCK
-
-
√
√
-
√
-
-
-
KEY
TONE
√
√
-
-
√
-
√
√
√
HANDFREE
DIALING
-
√
-
√
√
√
-
√
√
VOLUME
CONTROL
-
-
-
-
√
√
-
-
√
PACKAGE
(PINS)
22
24
22
24
28
28
22
24
28
-1-
Publication Release Date: March 2000
Revision A5
WINBOND [ WINBOND ]
