W91550 WINBOND [Winbond], W91550 Datasheet - Page 14

• Manufacturer Part Number: W91550
• Description: 13-MEMORY TONE/PULSE DIALER WITH LCD AND LOCK FUNCTION
• Manufacturer: WINBOND [Winbond]

AC CHARACTERISTICS
Notes:
1. Crystal parameters suggested for proper operation are R
= 3.579545 MHz 0.02%
2. Crystal oscillator accuracy directly affects these times.
Key-in Debounce
Key Release Debounce
Off-hook Delay
First Key-in Delay
On-hook Debounce
Pulse Mute Delay
Pre-digit-pause (10 ppS)
Interdigit Pause (Auto dialing)
Make/Break Ratio
Tone Output Duration
Intertone Pause
Flash Break Time
Flash Pause Time
Pause Time
One-key Redialing Break Time
One-key Redialing Pause Time
LCD Frame Frequency
PARAMETER
SYM.
T
T
T
T
T
F
T
T
T
T
M:B
T
T
T
T
T
OHD
T
KRD
OFD
PDP
FKD
LCD
KID
IDP
MD
ITP
RB
RP
TD
FB
FP
P
S
Lock only
Lock only
Normal mode
Lock mode
B/M = V
B/M = V
B/M = V
B/M = V
10 ppS
B/M = V
B/M = V
Auto dialing
Auto dialing
F1
F2
F3
F1, F2, F3
Mask option
(default 3.6S)
< 100 , L
- 14 -
CONDITIONS
DD
SS
DD
SS
DD
SS
m
-
-
-
-
-
= 96
m
H, C
m
= 0.02 pF, C
W91550DN SERIES
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
n
40:60
33:67
TYP.
= 5 pF, Cl = 18 pF, and
33.3
33.3
250
800
600
300
300
300
1.2
2.0
3.6
4.0
2.2
0.6
20
40
40
87
87
98
50
20
20
MAX.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
mS
mS
mS
mS
mS
mS
mS
mS
mS
mS
mS
Hz
%
S
S
S
S
F
OSC
.