W91810N Datasheet, PDF (12/26 Pages) Winbond – 23-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS

W91810N SERIES
AC CHARACTERISTICS
PARAMETER
SYM.
CONDITIONS
MIN. TYP. MAX. UNIT
Key-in Debounce
TKID
-
-
20
-
mS
Key Release Debounce TKRD
-
-
20
-
mS
On-hook Debounce
TOHD Lock Mode
-
20
-
mS
Pre-digit Pause¹
Unlock Mode
TPDP1 Mode Pin = VDD
-
150
-
mS
-
40
-
mS
Pre-digit Pause²
10 ppS Mode Pin = Floating
TPDP2 Mode Pin = VDD
-
33.3
-
mS
-
20
-
mS
20 ppS Mode Pin = Floating
-
16.7
-
mS
Inter Digit Pause
(Auto Dialing)
TIDP 10 ppS
-
(Unless W91810N/ W91810AN/
810LN/810ALN/811AN/811ALN
only)
800
-
mS
20 ppS
-
500
-
mS
(W91812N/812AN/813AN only)
Interdigit Pause
TIDP 10 ppS
-
800
-
mS
(Auto dialing)
20 ppS
-
500
-
mS
Make/Break Ratio
M:B Mode Pin = VDD
-
40:60
-
%
Mode Pin = Floating
- 33.3:66.7 -
%
Tone Output Duration
TTD
-
-
93
-
mS
Intertone Pause
TITP
-
-
93
-
mS
Flash Break Time
TFB
F1
-
600
-
mS
F2
-
300
-
F3
-
73
-
F4
-
100
-
Flash Pause Time
TFP
-
-
1.0
-
S
Pause Time
TP
-
-
3.6
-
S
Key Tone Frequency
FKT
-
-
1.2
- KHz
Key Tone Duration
TKTD
-
-
35
-
mS
One-key Redialing
TRP
-
-
600
-
mS
Pause Time
One-key Redialing
TRB
-
-
2.2
-
S
Break Time
First Key-in Delay
TFKD
Lock only
-
300
-
mS
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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