W91340N Datasheet, PDF (8/15 Pages) Winbond – 10-MEMORY TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION

W91340N SERIES
DC Characteristics, continued
PARAMETER
H/P Mute Output
Drive/Sink Current
HFO Drive/Sink Current
Keypad Input Drive Current
Keypad Input Sink Current
HKS I/P Pull-high Resistor
Keypad Resistance
SYMBOL
IHPH
IHPL
IHFH
IHFL
IKD
IKS
RHK
CONDITIONS
VHPH = 2.0V
VHPL = 0.5V
VHFH = 2.0V
VHFL = 0.5V
VI = 0.0V
VI = 2.5V
-
RK
-
MIN.
0.5
0.5
0.5
0.5
30
200
-
-
TYP.
-
-
-
-
-
400
300
MAX.
-
-
-
-
-
-
-
-
5.0
UNIT
mA
mA
mA
mA
µA
µA
KΩ
KΩ
AC CHARACTERISTICS
(VDD−VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 25° C, all outputs unloaded)
PARAMETER
SYMBOL CONDITIONS
Key-in Debounce
TKID
-
Key Release Debounce
TKRD
-
On-hook Debounce
TOHD
-
Pre-digit Pause¹
TPDP1 Mode = VDD
10 ppS Mode = Floating
Pre-digit Pause²
TPDP2 Mode = VDD
20 ppS Mode = Floating
Interdigit Pause
TIDP
10 ppS
(Auto Dialing)
20 ppS
Make/Break Ratio
M/B
Mode = VDD
Mode = Floating
Tone Output Duration
TTD
Auto dialing
W91344AN Only
Intertone Pause
TITP
Auto dialing
W91344AN Only
F1
Flash Break Time
TFB
F2
F3
F4
Flash Pause Time
TFP
F1, F2, F3, F4
Pause Time
TP
R/P
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP.
20
20
150
40
33.3
20
16.7
800
500
40:60
33.3:66.7
93
87
93
87
600
300
73
100
1.0
3.6
MAX.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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.
UNIT
mS
mS
mS
mS
mS
mS
%
mS
mS
mS
S
S
-8-