W91312N Ver la hoja de datos (PDF) - Winbond
Número de pieza
componentes Descripción
Fabricante
W91312N Datasheet PDF : 11 Pages
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Preliminary W91312N
DC Characteristics, continued
PARAMETER
Keypad Input Drive Current
Keypad Input Sink Current
Keypad Resistance
SYMBOL
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
F1
F2
F3
F4
TFP
-
TP
Pause 1
Pause 2
MIN.
-
-
-
-
-
-
-
TYP.
20
20
40
33.3
20
16.7
800
MAX.
-
-
-
-
-
-
-
UNIT
mS
mS
mS
mS
mS
-
500
-
- 40:60 -
%
- 33:67 -
-
100
-
mS
-
100
-
mS
-
600
-
mS
-
100
-
-
300
-
-
73
-
-
1.0
-
S
-
3.6
-
S
-
2.0
-
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.
-6-
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