W91570DN SERIES
Publication Release Date: May 1997
- 19 -
Revision A2
(V
DD
−
V
SS
= 2.5V, F
OSC.
= 3.58 MHz, T
A
= 25
°
C, all outputs unloaded.)
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Key-in Debounce
T
KID
-
-
20
-
mS
Key Release Debounce
T
KRD
-
-
20
-
mS
Off Hook Delay Time
T
OFD
-
-
300
-
mS
First Key-in Delay Time
T
FKD
-
-
300
-
mS
On Hook Debounce Time
T
OHD
Unlock
-
150
-
mS
Lock
-
20
-
Key Tone Frequency
F
KT
-
-
1.2
-
KHz
Key Tone Duration
T
KTD
-
-
35
-
mS
Key Tone Delay
T
KD
-
-
20
-
mS
Pulse Mute Delay
T
MD
B/M = V
DD
-
40
-
mS
B/M = V
SS
-
33.3
-
Pre-digit-pause
(1)
T
PDP1
B/M = V
DD
-
40
-
mS
10 ppS
B/M = V
SS
-
33.3
-
Pre-digit-pause
(2)
T
PDP2
B/M = V
DD
-
20
-
mS
20 ppS
B/M = V
SS
-
16.7
-
Inter-digit Pause
T
IDP1
10 ppS
-
800
-
mS
(Auto Dialing)
T
IDP2
20 ppS
-
500
-
Make/Break Ratio
M:B
B/M = V
DD
-
40:60
-
%
B/M = V
SS
-
33:67
-
Tone Output Duration
T
TD
-
-
87
-
mS
Inter-tone Pause
T
ITP
-
87
-
mS
F1
-
600
-
Flash Break Time
T
FB
F2
-
300
-
mS
F3
-
100
-
Flash Pause Time
T
FP
F1, F2, F3
-
1
-
S
Pause Time
T
P
R/P1
-
3.6
-
S
R/P2
-
2.0
-
One Key Redialing Break Time
T
RB
-
-
4
-
S
One Key Redialing Pause Time
T
RP
-
-
1
-
S
electronic components distributor
