W91414 Winbond, W91414 Datasheet

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W91414

Manufacturer Part Number
W91414
Description
Tone/pulse dialer with save function
Manufacturer
Winbond
Datasheet

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Manufacturer
Quantity
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Part Number:
W91414
Manufacturer:
SUPERTE
Quantity:
16 422
Part Number:
W91414A
Manufacturer:
Weltrend
Quantity:
6 227
GENERAL DESCRIPTION
The W91410 series are monolithic ICs that provide the necessary signals for either pulse or tone
dialing. The W91410 series feature a redial and save memory.
FEATURES
DTMF/Pulse switchable dialer
Two by 32 digits for redial and save memory
Pulse-to-tone (P T) keypad for long distance call operation
Break/Make ratio is selectable by pin option
Uses 4
Easy operation with redial, flash, pause, and P T keypads
Flash, pause, P T (Pulse-to-tone) can be stored as a digit in memory
Minimum tone output duration: 100 mS
Minimum intertone pause: 100 mS
On-chip power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
Packaged in 18-pin plastic DIP
The different dialers in the W91410 series are shown in the following table:
W91412/A
W91414/A
W91416
TYPE NO.
4 keyboard
PULSE (ppS)
10/20
10/20
10/20
FLASH (mS)
600/300
73/100
TONE/PULSE DIALER WITH
600
- 1 -
FLASH PAUSE (mS)
Publication Release Date: January 1995
600/300
140/100
SAVE FUNCTION
600
W91410 SERIES
PAUSE (S)
Revision A3
2.0
3.6
3.6

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W91414 Summary of contents

Page 1

... On-chip power-on reset Uses 3.579545 MHz crystal or ceramic resonator Packaged in 18-pin plastic DIP The different dialers in the W91410 series are shown in the following table: TYPE NO. PULSE (ppS) W91412/A 10/20 W91414/A 10/20 W91416 10/20 W91410 SERIES TONE/PULSE DIALER WITH SAVE FUNCTION FLASH (mS) ...

Page 2

PIN CONFIGURATION PIN DESCRIPTION SYMBOL PIN I/O Column Row Inputs & XT T/P MUTE MODE HKS ...

Page 3

Pin Description, continued SYMBOL PIN I DTMF 14 B FUNCTION N-channel open drain dialing pulse output (Figure 1). Flash key will cause active ...

Page 4

BLOCK DIAGRAM ROW (R1 to R4) KEYBOARD INTERFACE COLUMN (C1 to C4) D/A DTMF CONVERTER FUNCTIONAL DESCRIPTION Keyboard Operation F: Flash key R/P: Redial and pause function key P T: Pulse mode to tone mode SAVE: Save memory key XT ...

Page 5

Normal Dialing OFF HOOK , D1, D2, ..., Dn will be dialed out. 2. Dialing length is unlimited, but redial is inhibited if length oversteps 32 digits. Redialing OFF HOOK , The R/P ...

Page 6

Flash OFF HOOK , F 1. Flash key can be stored as a digit in memory. 2. The system will return to the initial state after the break time is finished. 3. The flash function timing diagram is shown in ...

Page 7

DC CHARACTERISTICS ( 2.5V, Fosc. = 3.58 MHz PARAMETER SYMBOL Operating Voltage V DD Operating Current I OP Standby Current I SB Memory Retention I MR Current DTMF Output V TO Voltage Pre-emphasis DTMF ...

Page 8

... CONDITIONS T KID T KRD PDP 10 ppS B B PDP 20 ppS B ppS IDP 20 ppS M Auto Dialing TD T Auto Dialing ITP T W91414 FB W91414A W91412A W91412/W91416 T W91414A FP W91414 W91412A W91412/W91416 T W91412 P W91414/A/W9141 W91410 SERIES MIN. TYP. MAX. UNIT - 33 16 800 - mS - 500 - - 40: 33: 100 ...

Page 9

TIMING WAVEFORMS HKS KEY IN DP T/P MUTE DTMF OSC. HKS KEY IN DP T/P MUTE DTMF OSC. ON HOOK KID IDP T T IDP PDP LOW OSCILLATION NORMAL DIALING Figure 1(a). Pulse Mode ...

Page 10

Timing Waveforms, continued HKS KEY IN DTMF T/P MUTE DP OSC. HKS KEY IN DTMF T/P MUTE DP OSC KRD KID T ITP T TD HIGH OSCILLATION NORMAL DIALING Figure 2(a). Tone Mode Timing Diagram R/P T KID ...

Page 11

Timing Waveforms, continued HKS KEY IN DP T/P MUTE DTMF OSC. HKS KEY IN DP T/P MUTE DTMF OSC R/P T KID IDP PDP IDP LOW OSCILLATION Figure 3. Pause ...

Page 12

... No. 115, Sec. 3, Min-Sheng East Rd., Taipei, Taiwan TEL: 886-2-7190505 FAX: 886-2-7197502 Note: All data and specifications are subject to change without notice. W91410 SERIES Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U.S.A. ...

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