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W91580C Datasheet(PDF) 13 Page - Winbond

Part # W91580C
Description  24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND HOLD FUNCTIONS
PDF  19 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W91580C Datasheet(HTML) 13 Page - Winbond

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W91580 SERIES
Publication Release Date: Auguest 1995
- 13 -
Revision A3
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Keypad Active in Debounce
TKID
-
-
20
-
mS
Key Release Debounce
TKRD
-
-
20
-
mS
Pre-digit Pause1
TPDP1
MODE Pin = VDD
-
40
-
mS
10 ppS
MODE Pin = Floating
-
33.3
-
Pre-digit Pause2
TPDP2
MODE Pin = VDD
-
20
-
mS
20 ppS
MODE Pin = Floating
-
16.7
-
Interdigit Pause (Auto dialing)
TIDP
10 ppS
-
800
-
mS
20 ppS
-
500
-
Make/Break Ratio
M/B
MODE Pin = VDD
-
40:60
-
%
MODE Pin = Floating
-
33:67
-
Tone Output Duration
TTD
Auto Dialing
-
100
-
mS
Intertone Pause
TITP
Auto Dialing
-
100
-
mS
Flash Break Time
TFB
-
-
98
-
mS
-
305
-
-
600
-
Pause Time
TP
-
-
3.6
-
S
Key Tone Frequency
FKT
-
-
600
-
Hz
Key Tone Duration
TKTD
-
-
35
-
mS
One-key Redialing Pause Time
TRP
-
-
600
-
mS
One-key Redialing Break Time
TRB
-
-
2.2
-
S
Notes:
1. Crystal parameters suggested for proper operation are Rs < 100
Ω, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,
FOSC. = 3.579545 MHz
±0.02%.
2. Crystal oscillator accuracy directly affects these times.



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