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參數(shù)資料
型號(hào): W91473L
廠商: WINBOND ELECTRONICS CORP
元件分類: 無(wú)繩電話/電話
英文描述: 14-Memory Tone/Pulse Switchable Dialer With Handfree And Lock Functions(具有14個(gè)數(shù)碼存儲(chǔ)器、免提和上鎖功能的音頻/脈沖可變換撥號(hào)器)
中文描述: TELEPHONE DIALER CKT, PDIP22
封裝: PLASTIC, DIP-22
文件頁(yè)數(shù): 14/20頁(yè)
文件大小: 236K
代理商: W91473L
W91473 SERIES
- 14 -
AC CHARACTERISTICS
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Keypad Active in Debounce
T
KID
-
-
20
-
mS
Key Release Debounce
Pre-digit Pause
1
T
KRD
-
-
20
-
mS
T
PDP1
M/B = 2/3
-
40
-
mS
10 ppS
M/B = 1/2
-
33.3
-
Pre-digit Pause
2
T
PDP2
M/B = 2/3
-
20
-
mS
20 ppS
M/B = 1/2
-
16.7
-
Interdigit Pause (Auto dialing)
T
IDP
10 ppS
-
800
-
mS
20 ppS
-
500
-
Make/Break Ratio
M/B
M/B = 2/3
-
40:60
-
%
M/B = 1/2
-
33:67
-
Tone Output Duration
T
TD
Auto Dialing
-
93
-
mS
Intertone Pause
T
ITP
Auto Dialing
-
93
-
mS
-
98
-
Flash Break Time
T
FB
-
-
305
-
mS
-
600
-
Pause Time
T
P
-
-
3.6
-
S
Key Tone Frequency
F
KT
-
-
600
-
Hz
Key Tone Duration
T
KTD
-
-
35
-
mS
One-key Redialing Pause Time
T
PR
-
-
600
-
mS
One-key Redialing Break Time
T
RB
-
-
2.2
-
S
First key-in Pause Time
T
FKP
-
-
600
-
mS
Notes:
1. Crystal parameters suggested for proper operation are Rs < 100
, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,
F
OSC.
= 3.579545 MHz
±
0.02%.
2. Crystal oscillator accuracy directly affects these times.
TIMING WAVEFORMS
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