W9145L Winbond, W9145L Datasheet

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W9145L

Manufacturer Part Number
W9145L
Description
15-memory tone/pulse dialer with lock and handfree functions
Manufacturer
Winbond
Datasheet
GENERAL DESCRIPTION
The W9145 series are Si-gate CMOS ICs that provide the necessary signals for either pulse or tone
dialing. The W9145 series feature a key tone function, handfree dialing, a lock function, thirteen 16-
digit automatic dialing memories, and two by 32-digit for redial and save memory.
FEATURES
PIN CONFIGURATIONS
DTMF/Pulse switchable dialer
Two by 32 digits for redial and save memory
Three by 16 digits for one-touch direct repertory
Ten by 16 digits for two-touch indirect repertory
Unlimited dialing length (redial inhibited if dialing length exceeds 32 digits in normal dialing)
Auto Pause Access for PBX and toll service operations (3.1 seconds per pause)
Easy operation with redial, store, auto and pause keypads
Key tone output for recognition of valid keypad entry
Call disconnect (CD) key for line break operation
Mute key for speech mute
Flash time: 98 mS, 305 mS or 600 mS
Minimum tone output duration: 93 mS
Minimum intertone pause: 93 mS
0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
Automatic switching from pulse mode to tone mode by */T key operation
Break/make ratio pin selectable
Uses Form A keyboard or standard 5
Uses inexpensive 3.579545 MHz television color-burst crystal
Internally generated power-on reset
Packaged in 22/24-pin DIP
The different dialers in the W9145 series are shown in the following table:
W9145
W9145A
W9145L
W9145AL
TYPE NO.
15-MEMORY TONE/PULSE DIALER WITH LOCK
PULSE (ppS)
10
10
10
10
98/305/600
98/305/600
98/305/600
98/305/600
FLASH
5 matrix keyboard
AND HANDFREE FUNCTIONS
- 1 -
B/M
Pin
Pin
Pin
Pin
Publication Release Date: August 1996
HANDFREE
W9145 SERIES
Yes
Yes
No
No
LOCK
Revision A4
Yes
Yes
No
No

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W9145L Summary of contents

Page 1

... Uses inexpensive 3.579545 MHz television color-burst crystal Internally generated power-on reset Packaged in 22/24-pin DIP The different dialers in the W9145 series are shown in the following table: TYPE NO. PULSE (ppS) W9145 10 W9145A 10 W9145L 10 W9145AL 10 PIN CONFIGURATIONS AND HANDFREE FUNCTIONS 5 matrix keyboard FLASH B/M 98/305/600 ...

Page 2

... T/P MUTE 9 HKS 10 DP/C5 DTMF 11 W9145 T/P MUTE 9 HKS 10 DP/C5 DTMF 11 W9145L PIN DESCRIPTION B/M 16 T/P MUTE TEST 15 HKS MODE 14 DP/ MUTE DTMF KT 12 HFI B/M 16 T/P MUTE LOCK 15 HKS 14 MODE DP/ MUTE DTMF KT 12 HFI - 2 - W9145 SERIES B TEST MODE MUTE 11 14 ...

Page 3

SYMBOL 22-PIN 24-PIN Column Row & & Inputs XT MUTE MODE HKS B 17, 5 ...

Page 4

... Pin Description, continued SYMBOL 22-PIN 24-PIN - 12, 13 HFI , HFO LOCK ( ( W9145L W9145AL ) only) only 15 17 TEST (W9145 ( W9145A only) only I/O FUNCTION I, O Handfree control pins. A low pulse on HFI toggles on the handfree control state. Status of the handfree control state is indicated in the ...

Page 5

Pin Description, continued SYMBOL 22-PIN 24-PIN DTMF 11 11 BLOCK DIAGRAM ROW KEYBOARD (R1 to R5) INTERFACE COLUMN (C1 to C4) D/A CONVERTER DTMF I/O FUNCTION O In pulse mode, remains in low state at all times. In tone mode, ...

Page 6

FUNCTIONAL DESCRIPTION Keyboard Operation */T RD MUTE: Mute key CD: Call Disconnect */T: * & key RD: One-key Redial S: Store A: Auto dialing P: Pause M1 to M3: Memory SAVE: ...

Page 7

HFI ¡õ HOOK & HFI ¡õ the first key after off-hook, only the redialing function will be executed and the pulse output pin will not go low for the break time of ...

Page 8

Number Store 1. OFF HOOK (or ON HOOK Mn ( HOOK a. The dialing of D1, D2, ..., Dn must be finished before S key may be pressed. b. D1, D2, ..., Dn will be stored in ...

Page 9

CD and MUTE key function timing diagram is shown in Figure 8. Mixed Dialing OFF HOOK (or ON HOOK 1. Normal dialing + Repertory dialing 2. Repertory dialing + Normal dialing 3. Redialing + Normal dialing a. Redialing and SAVE ...

Page 10

DC Characteristics, continued PARAMETER SYM. Pre-Emphasis DTMF Distortion T HD HFO Drive/Sink I HFH Current I HFL Tone Output External R L Load Impedance Tone Output DC Level V DC Tone Output Sink I TL Current Pulse Output I PH ...

Page 11

AC Characteristics, continued PARAMETER SYM. One-key Redial Break T RB Time One-key Redial Break T RP Pause Time Pulse Mute Delay T MD Pre-digit Pause T PDP Pulse Rate T PR Interdigit Pause T IDP Make/Break Ratio M:B Tone Duration ...

Page 12

TIMING WAVEFORMS HKS KEY IN KT DP/C5 T/P MUTE DTMF X MUTE OSC. HKS KEY IN DTMF X MUTE T/P MUTE DP/C5 KT OSC KRD KID T IDP T PDP T MD LOW LOW OSCILLATION MANUAL ...

Page 13

Timing Waveforms, continued HKS KEY IN DTMF X MUTE T/P MUTE DP/C5 KT OSC. HKS HFI DP/C5 HFO T/P MUTE X MUTE CHIP ENABLE R T KID ITP OSCILLATION ON HOOK Figure 2(b). Tone Mode Redialing Timing ...

Page 14

Timing Waveforms, continued HKS HFI DP/C5 HFO T/P MUTE X MUTE CHIP ENABLE HKS HFI DP/C5 HFO T/P MUTE X MUTE CHIP ENABLE LOW Figure 3(b). Handfree Function Timing Diagram ON HOOK LOW Figure 3(c). Handfree Function Timing Diagram - ...

Page 15

Timing Waveforms, continued HKS KEY IN DP/C5 T/P MUTE X MUTE DTMF OSC. HKS KEY IN T KID DP/C5 T/P MUTE DTMF X MUTE OSC. LOW PDP KID LOW LOW OSCILLATION ...

Page 16

Timing Waveforms, continued HKS KEY IN DP/C5 T/P MUTE DTMF X MUTE OSC. Figure Operation Timing Diagram in Normal Dialing HKS KEY IN DP/C5 T/P MUTE X MUTE DTMF OSC. */ KID T ...

Page 17

Timing Waveforms, continued HKS KEY IN HFI DP/C5 HFO T/P MUTE X MUTE KT CHIP ENABLE Figure 8. Mute Key Operation Timing Diagram - 17 - W9145 SERIES CD MT (MT = MUTE KEY) Publication Release Date: ...

Page 18

... 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. W9145 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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