EM91203, EM91203BP, EM91203CP Selling Leads, Datasheet
MFG:N/S Package Cooled:N/A D/C:1116
EM91203, EM91203BP, EM91203CP Datasheet download
Part Number: EM91203
MFG: N/S
Package Cooled: N/A
D/C: 1116
EM91203, EM91203BP, EM91203CP
- Table of contents:
Info of EM91203
Info of EM91203BP
Info of EM91203CP
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About EM91203
PDF/DataSheet Download
Datasheet: EM91203
File Size: 147129 KB
Manufacturer: EMC [ELAN Microelectronics Corp]
Download : Click here to Download
About EM91203BP
PDF/DataSheet Download
Datasheet: EM91203BP
File Size: 147129 KB
Manufacturer: EMC [ELAN Microelectronics Corp]
Download : Click here to Download
About EM90X
PDF/DataSheet Download
Datasheet: EM90X
File Size: 392637 KB
Manufacturer: EPCOS
Download : Click here to Download
EM91203 General Description
The EM91203 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with 3 sets memories. The EM91203 series provides necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone , mute and pulse mute functions. Beside this, SDO (Serial Data Output) functions is provided in advance version that is designed to drive LCD driver and voice synthesizer. In this application, the dialing numbers can be displayed on LCD screen with EM32100 ( or EM32116 ).
EM91203 Maximum Ratings
Items |
Sym. |
Ratings |
Unit |
| Power supply voltage | VDD |
6.0 Vdc |
V |
| Input voltage range | VIN |
VSS-0.3V ~ VDD+0.3V |
V |
| Operating temperature | TOPR |
0~ +50 |
°C |
| Storage temperature | TSTO |
-55 ~ 125 |
°C |
| Power consumption | TD |
500 |
mW |
EM91203 Features
• Tone/Pulse switchable.
• Wide operating voltage from 2.0 V to 5.5 V.
• Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.
• Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate,
M/B ratio, Flash time, Pause time, P-T wait time and keyboard type.
• SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
• Handfree function provides on-hook dialing and speakerphone application.
• 3-set one touch repertory memory, each one can store data up to 16 digits.
• A 32-digit LNB (last number) redial memory.
• A 32-digit SAVE redial memory.
• Keytone function provides rapidly keying recognition.
• Pulse mute function supports pulse dialing application.
• Using 3.579545 MHz crystal or ceramic resonator.
• Package forms: PDIP, skinny.
• Wide operating voltage from 2.0 V to 5.5 V.
• Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.
• Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate,
M/B ratio, Flash time, Pause time, P-T wait time and keyboard type.
• SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
• Handfree function provides on-hook dialing and speakerphone application.
• 3-set one touch repertory memory, each one can store data up to 16 digits.
• A 32-digit LNB (last number) redial memory.
• A 32-digit SAVE redial memory.
• Keytone function provides rapidly keying recognition.
• Pulse mute function supports pulse dialing application.
• Using 3.579545 MHz crystal or ceramic resonator.
• Package forms: PDIP, skinny.
EM91203 Connection Diagram
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