W91572DNF Просмотр технического описания (PDF) - Winbond
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W91572DNF Datasheet PDF : 45 Pages
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W91570DN SERIES
(VDD−VSS = 2.5V, FOSC. = 3.58 MHz, TA = 25° C, all outputs unloaded.)
PARAMETER
SYM. CONDITIONS
Key-in Debounce
TKID
-
Key Release Debounce
TKRD
-
Off Hook Delay Time
TOFD
-
First Key-in Delay Time
TFKD
-
On Hook Debounce Time
TOHD
Unlock
Lock
Key Tone Frequency
FKT
-
Key Tone Duration
TKTD
-
Key Tone Delay
TKD
-
Pulse Mute Delay
TMD
B/M = VDD
Pre-digit-pause (1)
TPDP1
B/M = VSS
B/M = VDD
10 ppS
Pre-digit-pause (2)
TPDP2
B/M = VSS
B/M = VDD
20 ppS
B/M = VSS
Inter-digit Pause
TIDP1
10 ppS
(Auto Dialing)
TIDP2
20 ppS
Make/Break Ratio
M:B
B/M = VDD
B/M = VSS
Tone Output Duration
TTD
-
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP.
20
20
300
300
150
20
1.2
35
20
40
33.3
40
33.3
20
16.7
800
500
40:60
33:67
87
MAX.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
mS
mS
mS
mS
mS
KHz
mS
mS
mS
mS
mS
mS
%
mS
Inter-tone Pause
TITP
-
87
-
mS
F1
-
600
-
Flash Break Time
TFB
F2
-
300
-
mS
F3
-
100
-
Flash Pause Time
TFP
F1, F2, F3
-
1
-
S
Pause Time
TP
R/P1
-
3.6
-
S
R/P2
-
2.0
-
One Key Redialing Break Time TRB
-
-
4
-
S
One Key Redialing Pause Time TRP
-
-
1
-
S
- 19 -
Publication Release Date: May 1997
Revision A2
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