W91540N, W91541A, W91541AL Selling Leads, Datasheet
MFG:Winbond Package Cooled:DIP D/C:98
W91540N, W91541A, W91541AL Datasheet download
Part Number: W91540N
MFG: Winbond
Package Cooled: DIP
D/C: 98
W91540N, W91541A, W91541AL
- Table of contents:
Info of W91540N
Info of W91541A
Info of W91541AL
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About W91540N
PDF/DataSheet Download
Datasheet: W91540N
File Size: 228140 KB
Manufacturer: WINBOND [Winbond]
Download : Click here to Download
About W91541A
PDF/DataSheet Download
Datasheet: W91541A
File Size: 228140 KB
Manufacturer:
Download : Click here to Download
About W91541ALN
PDF/DataSheet Download
Datasheet: W91541ALN
File Size: 228140 KB
Manufacturer: WINBOND [Winbond]
Download : Click here to Download
W91540N General Description
The W91540N series are tone/pulse switchable telephone dialers with 10 memories, keytone or lock function, and handfree dialing control. These chips are fabricated using Winbond's high-performance CMOS technology and thus offer good performance in low-voltage and low-power operations.
W91540N Maximum Ratings
| PARAMETER |
SYMBOL |
RATING |
UNIT |
| DC Supply Voltage |
VDD-VSS |
-0.3 to +7.0 |
V |
| Input/Output Voltage |
VIL |
VSS -0.3 |
V |
|
VIH |
VDD +0.3 |
V | |
|
VOL |
VSS -0.3 |
V | |
|
VOH |
VDD +0.3 |
V | |
| Power Dissipation |
PD |
120 |
mW |
| Operation Temperature |
TOPR |
-20 to +70 |
°C |
| Storage Temperature |
TSTG |
-55 to +150 |
°C |
W91540N Features
` DTMF/pulse switchable dialer
` Two by 32-digit redial and save memory
` Ten by 16 digit two-touch indirect repertory memory
` Pulse-to-tone (*/T) keypad for long distance call operation
` Cascaded dialing
` Uses 5* 5 keyboard
` Easy operation with redial, flash, pause, and */T keypads
` Pause, PT (pulse-to-tone) can be stored as a digit in memory
` 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
` Dialing rate (10 ppS or 20 ppS) selected by bonding option
` Minimum tone output duration: 93 mS (W91544AN: 87 mS)
` Minimum intertone pause: 93 mS (W91544AN: 87 mS)
` Pause time: 3.6 sec
` 300 mS off-hook delay in lock mode (DP remains low for 300 mS while off-hook)
` 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
` Key tone output for valid keypad entry recognition
` On-chip power-on reset
` Uses 3.579545 MHz crystal or ceramic resonator
` Packaged in 18 or 20-pin DIP
` Two by 32-digit redial and save memory
` Ten by 16 digit two-touch indirect repertory memory
` Pulse-to-tone (*/T) keypad for long distance call operation
` Cascaded dialing
` Uses 5* 5 keyboard
` Easy operation with redial, flash, pause, and */T keypads
` Pause, PT (pulse-to-tone) can be stored as a digit in memory
` 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
` Dialing rate (10 ppS or 20 ppS) selected by bonding option
` Minimum tone output duration: 93 mS (W91544AN: 87 mS)
` Minimum intertone pause: 93 mS (W91544AN: 87 mS)
` Pause time: 3.6 sec
` 300 mS off-hook delay in lock mode (DP remains low for 300 mS while off-hook)
` 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
` Key tone output for valid keypad entry recognition
` On-chip power-on reset
` Uses 3.579545 MHz crystal or ceramic resonator
` Packaged in 18 or 20-pin DIP
W91540N Connection Diagram
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