W91310 Datasheet, PDF (7/12 Pages) Winbond – TONE/PULSE DIALER WITH REDIAL FUNCTION

W91310 SERIES
DC Characteristics, continued
PARAMETER
Keypad Input Drive Current
Keypad Input Sink Current
Keypad Resistance
SYM.
IKD
IKS
CONDITIONS
VI = 0V
VI = 2.5V
MIN.
30
200
-
TYP.
-
400
-
MAX.
-
-
5.0
UNIT
µA
µA
KΩ
AC CHARACTERISTICS
PARAMETER
Keypad Active in Debounce
Key Release Debounce
Pre-digit Pause¹
Pre-digit Pause²
Interdigit Pause (Auto
dialing)
Make/Break Ratio
DTMF Output Duration
Intertone Pause
Flash Break Time
Flash Pause Time
Pause Time
SYMBOL
TKID
TKRD
TPDP1
10 ppS
TPDP2
20 ppS
TIDP
CONDITIONS
B/M = 1
B/M = 0
B/M = 1
B/M = 0
10 ppS
20 ppS
M/B B/M = 1
B/M = 0
TTD Auto Dialing
TITP Auto Dialing
TFB
W91314
W91314A
W91312A
W91312/W91316
TFP
W91314A
W91314
W91312A
W91312/W91316
TP
W91312
W91314/A/W9131
6
MIN.
-
-
-
-
-
-
-
TYP.
20
20
40
33.3
20
16.7
800
MAX.
-
-
-
-
-
-
-
-
500
-
- 40:60 -
- 33:67 -
-
100
-
-
100
-
-
73
-
-
100
-
-
300
-
-
600
-
-
100
-
-
140
-
300
-
600
-
-
2.0
-
-
3.6
-
UNIT
mS
mS
mS
mS
mS
%
mS
mS
mS
mS
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.
Publication Release Date: January 1995
-7-
Revision A3