HT9315 Datasheet, PDF (1/27 Pages) Holtek Semiconductor Inc – 15-Memory Tone/Pulse Dialer

HT9315 Series
15-Memory Tone/Pulse Dialer
Features
Patent Number: 64097, 86474, 113235(R.O.C.), 5424740(U.S.A.)
· Universal specification
· Operating voltage: 2.0V~5.5V
· Low standby current
· Low memory retention current: 0.1mA (Typ.)
· Tone/pulse switchable
· Interface with LCD driver
· 32 digits for redialing
· 32 digits for the SA memory dialing
· One-key redialing
· Pause and P®T key for PBX
· 4´5 keyboard matrix
· 3.58MHz crystal or ceramic resonator
· Hand-free control
· Hold-line control
· Pause, P®T can be saved for redialing
· Lock function
· Keytone function
· Resistor options:
- M/B ratio
- Flash function and flash time (86ms~600ms)
- Pause and P®T duration
- Pulse number
- Keyboard operated IDD lock function
- Keyboard form
· HT9315A/HT9315AL: 18-pin DIP package
HT9315B/HT9315BL: 22-pin SKDIP package
HT9315C/HT9315CL: 20-pin DIP package
HT9315D/HT9315DL: 24-pin SKDIP package
General Description
The HT9315 series tone/pulse dialers are CMOS LSIs for
telecommunication systems. They are designed to meet
various dialing specifications through resistor option ma-
trix.
The HT9315 series are offered in two different ver-
sions. They are HT9315x normal version and
HT9315xL lock version, with keyboard-operated IDD
lock function. The two versions also supply the follow-
ing functions: Hold-line, Hand-free and LCD dialing
number display interface, all of which are suitable for
feature phone applications.
Selection Table
Function
Lock
Item
Function
Hold-Line Hand-Free
LCD
Interface
HT9315x
(Normal version)
HT9315A
¾
¾
¾
¾
HT9315B
¾
Ö
Ö
¾
HT9315C
¾
¾
¾
Ö
HT9315D
¾
Ö
Ö
Ö
HT9315xL
(Mechanical and Keyboard Operated Lock Version)
HT9315AL
Lock 0
¾
¾
¾
HT9315BL
Lock 0, 9
Ö
Ö
¾
Lock All
HT9315CL
Keyboard
¾
¾
Ö
HT9315DL
Operated Lock
Ö
Ö
Ö
Min.
Flash Time
Package
98ms
18 DIP
22 SKDIP
20 DIP
24 SKDIP
98ms
18 DIP
22 SKDIP
20 DIP
24 SKDIP
Rev. 1.20
1
October 1, 2002