HT9302 Series
1-Memory/2-Memory Tone/Pulse Dialer
Features
·
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 SA memory dialing
·
One-key redialing
·
Pause and P®T key for PBX
·
4´4 keyboard matrix
·
3.58MHz crystal or ceramic resonator
Patent Number: 64097, 86474, 64529, 113235 (R.O.C.)
5424740 (U.S.A.)
·
Hand-free control
·
Hold-line control
·
Pause, P®T can be saved for redialing
·
Lock function
·
Resistor options
-
M/B ratio
-
Flash function and flash time
-
Pause and P®T duration
-
Pulse number
·
HT9302A: 18-pin DIP package
HT9302B: 22-pin SKDIP package
HT9302C: 20-pin DIP package
HT9302D: 24-pin SKDIP package
HT9302G: 16-pin DIP package
General Description
The HT9302 series tone/pulse dialers are CMOS LSIs
for telecommunication systems. They are designed to
meet various dialing specifications through resistor op-
tion matrix.
The HT9302 series provide the pin-selected lock func-
tion, Hold-line, Hand-free and LCD dialing number
display interface, all of which are suitable for feature
phone applications. HT9302G is simpler than HT9302X
version. It provides only a redialing memory for simple
low-cost system applications.
Selection Table
Function
Part No.
HT9302x
HT9302A
HT9302B
HT9302C
HT9302D
HT9302G
HT9302G
¾
¾
Ö
Ö
Ö
Ö
¾
Ö
¾
Ö
Lock Function
(Pin Selection)
Hold Line
Hand Free
(Normal version)
¾
Ö
¾
Ö
(Simple version)
¾
¾
16 DIP
¾
¾
Ö
Ö
18 DIP
22 SKDIP
20 DIP
24 SKDIP
LCD Interface
Package
Rev. 1.20
1
September 30, 2002
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
