参数资料
型号: W91212S
厂商: WINBOND ELECTRONICS CORP
元件分类: 无绳电话/电话
英文描述: TELEPHONE DIALER CKT, PDSO20
封装: SOP-20
文件页数: 11/13页
文件大小: 69K
代理商: W91212S
W91210 SERIES
Publication Release Date: May 1999
- 7 -
Revision A4
AC CHARACTERISTICS
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX .
UNIT
Keypad Active in Debounce
TKID
-
20
-
mS
Key Release Debounce
TKRD
-
20
-
mS
Pre-digit Pause
TPDP
Mode Pin = VDD
-
40
-
mS
10 ppS
Mode Pin = Floating
-
33.3
-
mS
Interdigit Pause (Auto dialing)
TIDP
10 ppS
-
800
-
mS
Make/Break Ratio
M/B
Mode Pin = VDD
-
40:60
-
%
Mode Pin = Floating
-
33:67
-
%
DTMF Output Duration
TTD
Auto Dialing
85
87
-
mS
Intertone Pause
TITP
Auto Dialing
85
87
-
mS
Flash Break Time
TFB
F1
-
100
-
mS
F2
-
300
-
F3
-
600
-
Flash Pause Time
TFP
F1
-
1.0
-
S
F2
-
1.0
-
F3
-
1.0
-
Pause Time
TP
W91212/W91212S/
W91214/W91216
-
3.6
-
S
W91214A
-
2.0
-
Notes:
1. Crystal parameters suggested for proper operation are Rs < 100
, 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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