W91520N SERIES

Publication Release Date: May 1997

- 9 -

Revision A3

AC CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Key-in Debounce

-

-

20

-

mS

Key Release Debounce

-

-

20

-

mS

On-hook Debounce

-

-

150

-

mS

-

40

-

mS

10 ppS

Mode = Floating

-

33.3

-

-

20

-

mS

20 ppS

Mode = Floating

-

16.7

-

Interdigit Pause

10 ppS

-

800

-

mS

(Auto Dialing)

20 ppS

-

500

-

Make/Break Ratio

M:B

-

40:60

-

%

Mode = Floating

-

33.3:66.7

-

Tone Output Duration

Auto dialing

-

93

-

mS

Intertone Pause

Auto dialing

-

93

-

mS

Flash Break Time

F1

-

600

-

F2

-

100

-

mS

F3

300

F4

-

73

-

Flash Pause Time

F1, F2, F3, F4

-

1.0

-

S

Pause Time

R/P1

-

3.6

-

S

R/P2

-

2.0

-

One-key Redial Break

Time

-

-

2.2

-

S

One-key Redial Pause

Time

-

-

600

-

mS

Notes:

1. Crystal parameters suggested for proper operation are Rs < 100

Ω, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,

±0.02%.

2. Crystal oscillator accuracy directly affects these times.