W91320N SERIES
AC CHARACTERISTICS
(V
DD−
V
SS
= 2.5V, F
OSC.
= 3.579545 MHz, T
A
= 25° C, All outputs unloaded)
PARAMETER
Key-in Debounce
Key Release Debounce
Off-hook Delay
First Key-in Delay
Pre-digit-pause
1
Pre-digit-pause
2
Interdigit Pause
(Auto Dialing)
Make/Break Ratio
Tone Output Duration
Intertone Pause
Flash Break Time
SYMBOL
T
KID
T
KRD
T
OFD
T
FKD
T
PDP1
10 ppS
T
PDP2
20 ppS
T
IDP
M:B
T
TD
T
ITP
T
FB
CONDITIONS
-
-
Lock only
Lock only
Mode = V
DD
Mode = Floating
Mode = V
DD
Mode = Floating
10 ppS
20 ppS
Mode = V
DD
Mode = Floating
Auto dialing
Auto dialing
F1
F2
F3
F4
MIN.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP.
20
20
300
300
40
33.3
20
16.7
800
500
40:60
33.3:66.7
93
93
600
100
300
73
1.0
3.6
2.0
2.2
600
MAX.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
mS
mS
mS
mS
mS
mS
mS
%
mS
mS
mS
Flash Pause Time
Pause Time
One-key Redial Break
Time
One-key Redial Pause
Time
Notes:
T
FP
T
P
T
RB
T
RP
F1, F2, F3, F4
R/P1
R/P2
-
-
S
S
S
mS
-
-
1. Crystal parameters suggested for proper operation are Rs < 100
Ω,
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.
- 10 -
WINBOND [ WINBOND ]
