HT9302D(24SKDIP-A) [HOLTEK]
Telephone Circuit;
| 型号： | HT9302D(24SKDIP-A) |
| 厂家： | 
HOLTEK SEMICONDUCTOR INC |
| 描述： | Telephone Circuit |
| 文件： | 总33页 (文件大小：331K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HT9302 Series
1-Memory/2-Memory Tone/Pulse Dialer
Patent Number: 64097, 86474, 64529, 113235 (R.O.C.)
5424740 (U.S.A.)
Features
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
Universal specification
Hand-free control
Operating voltage: 2.0V~5.5V
Low standby current
Hold-line control
Pause, P®T can be saved for redialing
Lock function
Low memory retention current: 0.1mA (typ.)
Tone/pulse switchable
Resistor options
-
-
-
-
Interface with LCD driver
32 digits for redialing
M/B ratio
Flash function and flash time
Pause and P®T duration
Pulse number
32 digits for SA memory dialing
One-key redialing
·
HT9302A: 18-pin DIP package
HT9302B: 22-pin SKDIP package
HT9302C: 20-pin DIP package
HT9302D: 24-pin SKDIP package
HT9302G: 16-pin DIP/NSOP packages
Pause and P®T key for PBX
4´4 keyboard matrix
3.58MHz crystal or ceramic resonator
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.
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.
The HT9302 series provide the pin-selected lock func-
Selection Table
Function
Part No.
Lock Function
(Pin Selection)
Hold Line
Hand Free
LCD Interface
Package
HT9302x
HT9302A
HT9302B
HT9302C
HT9302D
HT9302G
HT9302G
(Normal version)
18 DIP
Ö
Ö
Ö
Ö
¾
Ö
¾
¾
¾
Ö
22 SKDIP
20 DIP
Ö
¾
Ö
¾
24 SKDIP
Ö
(Simple version)
¾
Ö
16 DIP/NSOP
¾
¾
¾
Rev. 1.30
1
May 13, 2009
HT9302 Series
Block Diagram
D
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Pin Assignment
HT9302x normal version
1
2
3
4
5
6
7
8
9
1
1
1
H
R
R
R
R
M
D
P
H
V
H
C
D
4
3
2
1
O
H
D
I
2
2
2
2
2
1
1
1
1
1
1
1
4
3
2
1
0
9
8
7
6
5
4
3
C
C
C
C
1
2
3
4
1
2
3
4
5
6
7
8
9
1
1
H
D
I
H
R
R
R
R
M
D
P
H
V
H
D
4
3
2
1
O
2
2
2
1
1
1
1
1
1
1
1
2
1
0
9
8
7
6
5
4
3
2
C
C
C
C
1
2
3
4
2
1
1
1
1
1
1
1
1
1
0
9
8
7
6
5
4
3
2
1
R
R
R
R
M
D
P
H
V
C
4
3
2
1
C
C
C
C
1
2
3
4
1
2
3
4
5
6
7
8
9
1
C
C
C
C
1
2
3
4
R
R
R
R
M
D
P
H
V
4
3
2
1
1
1
1
1
1
1
1
1
1
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9
L
O
C
K
O
D
X
X
1
2
T
K
M
L
E
O
C
K
O
D
E
L
O
C
K
O
D
O
D
L
O
C
K
O
D
E
X
X
1
2
T
K
L
M
F
X
X
1
2
T
K
F
M
F
X
M
U
T
E
S
D
X
X
1
2
T
K
M
F
O
D
O
D
0
1
2
V
S
S
O
D
X
M
U
T
E
S
D
X
M
U
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E
S
D
H
F
I
F
L
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X
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S
D
V
S
S
0
1
V
S
S
D
K
O
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O
V
S
S
D
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T
O
C
H
F
I
O
0
H
T
9
3
0
2
A
H
T
9
3
0
2
B
H
T
9
3
0
2
C
H
T
9
3
0
2
D
1
8
D
I
P
-
A
2
2
S
K
D
I
P
-
A
2
0
D
I
P
-
A
2
4
S
K
D
I
P
-
HT9302G simple version
C
C
C
1
2
3
1
2
R
R
R
R
M
D
P
H
4
3
2
1
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
6
5
4
3
2
1
0
X
X
O
D
E
X
M
U
T
E
T
K
M
F
V
S
S
O
V
D
D
S
9
H
T
9
3
0
2
G
1
6
D
I
P
-
A
/
N
S
O
P
Rev. 1.30
2
May 13, 2009
HT9302 Series
Keyboard Information
H
T
9
3
0
2
A
/
B
/
C
/
D
H
T
9
3
0
2
G
H
K
S
C
1
C
2
C
3
C
4
C
1
C
2
C
3
1
4
7
2
5
8
0
3
6
9
#
S
A
1
4
7
2
5
8
0
3
6
9
#
R
R
R
R
1
2
3
4
R
R
R
R
1
2
3
4
F
F
P
P
*
/
T
R
*
/
T
R
Pin Description
Internal
Connection
Pin Name I/O
Description
These pins form a 4´4 keyboard matrix which can perform keyboard input detec-
tion and dialing specification setting functions. When on-hook (HKS=high) all the
pins are set high. While off-hook the column group (C1~C4) remains low and the
row group (R1~R4) is set high for key input detection.
C1~C4
An inexpensive single contact 4´4 keyboard can be used as an input device.
Pressing a key connects a single column to a single row, and actuates the system
oscillator that results in a dialing signal output. If more than two keys are pressed at
the same time, no response occurs. The key-in debounce time is 20ms. Refer to
the keyboard information for keyboard arrangement and to the functional descrip-
tion for dialing specification selection.
I/O CMOS IN/OUT
R1~R4
X1
X2
I
The system oscillator consists of an inverter, a bias resistor and the necessary
load capacitor on chip. Connecting a standard 3.579545MHz crystal or ceramic
OSCILLATOR resonator to the X1 and X2 terminals can implement the oscillator function. The
oscillator is turned off in the standby mode, and is actuated whenever a key-
board entry is detected.
O
O
XMUTE is an NMOS open drain structure pulled to VSS during dialing signal
NMOS OUT transmission. Otherwise, it is an open circuit. The XMUTE is used to mute the
speech circuit when transmitting the dial signal.
XMUTE
HKS
This pin is used to monitor the status of the hook-switch and its combination
with HFI/HDI can control the PO pin output to make or break the line.
HKS=VDD: On-hook state (PO=low). Except for HFI/HDI
CMOS IN
I
(hand-free/hold-line control input), other functions are all disabled.
HKS=VSS: Off-hook state (PO=high). The chip is in the standby mode and
ready to receive the key input.
This pin is a CMOS output structure, which by receiving HKS and HFO/HDO
signals, control the dialer to connect or disconnect the telephone line.
PO outputs a low to break the line when HKS is high (on-hook) and HFO/HDO
CMOS OUT is low. PO outputs a high to make the line when HKS is low (off-hook) or HFO is
high or HDO is high.
PO
O
During the off-hook state, the pin also outputs the dialing pulse train in pulse
mode dialing. While in the tone mode, this pin is always high.
This is a three-state input/output pin, used for dialing mode selection whether
Tone mode or Pulse mode; 10pps/20pps.
MODE=VDD: Pulse mode, 10pps
MODE=OPEN: Pulse mode, 20pps
MODE
I/O CMOS IN/OUT
MODE=VSS: Tone mode
During pulse mode dialing, switching this pin to the tone mode changes the
subsequent digit entry to tone mode. When the chips are in tone mode, switch-
ing to the pulse mode will also be recognized.
Rev. 1.30
3
May 13, 2009
HT9302 Series
Internal
Connection
Pin Name I/O
Description
This pin is active only when the chip transmits tone dialing signals. Otherwise, it
always outputs a low. The pin outputs tone signals to drive the external trans-
mitter amplifier circuit. The load resistor should not be less than 5kW.
DTMF
HDI
O
I
CMOS OUT
This pin is a Schmitt trigger input structure. Active low. Applying a negative go-
ing pulse to this pin can toggle the HDO output once.
An external RC network is recommended for input debouncing. The Pull-high
resistance is 200kW typ.
CMOS IN
Pull-high
The HDO is a CMOS output structure. Its output is toggle- controlled by a nega-
tive transition on HDI. When HDO is toggled high, PO keeps high to hold the
HDO
HFI
O
CMOS OUT line. The hold function can be released by setting HFO high or by an on-off hook
operation or by another HDI input. Refer to the functional description for the
hold-line function.
This pin is a Schmitt trigger input structure. Active high. Applying a positive go-
ing pulse to HFI can toggle the HFO once and hence control the hand-free func-
CMOS IN
Pull-low
I
tion. The Pull-low resistance of HFI is 200kW typ.
An external RC network is recommended for input debouncing.
The HFO is a CMOS output structure. Its output is toggle- controlled by a posi-
tive transition on HFI pin. When HFO is high, the hand-free function is enabled
and PO outputs a high to connect the line.
HFO
O
CMOS OUT
The hand-free function can be released by setting HDO high or by an on-off-hook
operation or by another HFI input. Refer to the functional description for the
hand-free functional operation.
This is a three-state input/output pin, used for controlling long distance call
function with a lock-switch.
LOCK=OPEN: Normal dialing (no lock)
I/O CMOS IN/OUT
LOCK
LOCK=VDD: ²0, 9² is inhibited for use as the first key input
LOCK=VSS: ²0² is inhibited for use as the first key input
NMOS open drain output pin. It outputs the BCD code of the dialing digits to the
DOUT
O
O
NMOS OUT LCD driver chip (HT16XX series) or MCU for dialing number display. Refer to
the functional description for the detailed timing.
NMOS open drain output. When dialing, it outputs a series of pulse trains for
NMOS OUT
CLOCK
DOUT data synchronization. DOUT data is valid at the falling edge of clock.
VDD
VSS
Positive power supply, 2.0V~5.5V for normal operation
Negative power supply, ground
¾
¾
¾
¾
Approximate internal connection circuits
C
T
M
O
S
I
N
C
M
O
S
I
N
/
O
N
U
M
T
O
S
O
U
T
C
M
O
S
I
N
C
M
O
S
O
U
P
u
l
l
-
h
i
g
h
V
D
D
V
D
D
V
D
D
O
S
C
I
L
L
A
T
O
R
C
M
O
S
I
N
P
u
l
l
-
l
o
w
X
1
X
2
1
W
0 M
2
0
p
F
1
0
p
F
Rev. 1.30
4
May 13, 2009
HT9302 Series
Absolute Maximum Ratings
Supply Voltage ...........................................-0.3V to 6V
Input Voltage .............................. VSS-0.3 to VDD+0.3V
Storage Temperature ...........................-50°C to 125°C
Operating Temperature ..........................-20°C to 75°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
Electrical Characteristics
fOSC=3.5795MHz, Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
Operating Voltage
Min.
Typ.
Max.
Unit
VDD
VDD
2
5.5
1
V
¾
¾
¾
Off-hook
Pulse
Tone
0.2
mA
¾
¾
IDD
Operating Current
Standby Current
2.5V
Keypad entry
No load
0.6
2
1
mA
On-hook, no load
No entry
ISTB
1V
¾
¾
mA
VR
IR
Memory Retention Voltage
Memory Retention Current
Input Low Voltage
1
5.5
0.2
V
mA
V
¾
¾
¾
0.1
¾
1V On-hook
¾
VIL
VIH
VSS
0.2VDD
VDD
¾
¾
¾
¾
0.8VDD
Input High Voltage
V
¾
VXMUTE=12V
No entry
IXMO
XMUTE Leakage Current
1
¾
¾
¾
mA
IOLXM
IHKS
RHFI
RHDI
IOH1
IOL1
V
V
V
V
V
V
V
V
V
V
XMUTE=0.5V
HKS=2.5V
HFI=2.5V
HDI=0V
XMUTE Sink Current
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
1
¾
¾
¾
-4
200
-1
1
mA
mA
¾
¾
¾
0.1
¾
¾
–40
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
HKS Pin Input Current
HFI Pull-low Resistance
HDI Pull-high Resistance
Keypad Pin Source Current
Keypad Pin Sink Current
HFO Pin Source Current
HFO Pin Sink Current
HDO Pin Source Current
HDO Pin Sink Current
200
200
¾
kW
kW
mA
OH=0V
OL=2.5V
OH=2V
400
¾
mA
IOH2
IOL2
IOH3
IOL3
mA
mA
mA
mA
OL=0.5V
OH=2V
¾
-1
1
¾
OL=0.5V
¾
Control key
0.2
1
¾
¾
¾
¾
¾
tFP
Pause Time After Flash
s
¾
Digit key
tRP
One-key Redialing Pause Time
Key-in Debounce Time
One-key redialing
¾
1
s
ms
s
¾
¾
¾
¾
tDB
20
1.2
tBRK
fOSC
Break Time for One-key Redialing
System Frequency
One-key redialing
Crystal=3.5795MHz
3.5759 3.5795 3.5831 MHz
Rev. 1.30
5
May 13, 2009
HT9302 Series
Pulse Mode Electrical Characteristics
fOSC=3.5795MHz, Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
PO Output Source Current 2.5V
Min.
Typ.
Max. Unit
VDD
IPOH
IPOL
V
OH=2V
OL=0.5V
mA
mA
-0.2
0.2
¾
¾
0.6
10
20
¾
¾
¾
¾
V
PO Output Sink Current
Pulse Rate
2.5V
MODE pin is connected to VDD
MODE pin is opened
PR
pps
¾
¾
A resistor is linked between R2
and C1
33:66
40:60
¾
¾
¾
¾
¾
¾
¾
¾
M/B
Make/Break Ratio
%
¾
No resistor is linked between
R2 and C1
40 (10pps)
20 (20pps)
M/B ratio=40:60
M/B ratio=33:66
tPDP
tIDP
tM
Pre-digit-pause Time
Inter-digit-pause Time
Pulse Make Duration
ms
ms
ms
¾
¾
¾
33 (10pps)
17 (20pps)
Pulse rate=10pps
Pulse rate=20pps
800
500
¾
¾
¾
¾
A resistor is linked between R2
and C1
33 (10pps)
17 (20pps)
¾
¾
¾
¾
¾
¾
¾
¾
No resistor is linked between
R2 and C1
40 (10pps)
20 (20pps)
A resistor is linked between R2
and C1
66 (10pps)
33 (20pps)
tB
Pulse Break Duration
ms
¾
No resistor is linked between
R2 and C1
60 (10pps)
30 (20pps)
Tone Mode Electrical Characteristics
fOSC=3.5795MHz, Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
¾
VTDC
ITOL
VTAC
RL
0.45VDD
0.7VDD
DTMF Output DC Level
DTMF Sink Current
V
¾
¾
¾
V
DTMF=0.5V
2.5V
¾
0.1
0.12
5
mA
¾
DTMF Output AC Level
DTMF Output Load
0.155
0.18
Vrms
Row group, RL=5kW
THD£-23dB
2.5V
¾
2
¾
3
kW
dB
dB
ACR
THD
Column Pre-emphasis
Tone Signal Distortion
2.5V Row group=0dB
1
2.5V
RL=5kW
¾
¾
¾
¾
¾
-30
82.5
100
85.5
106
-23
¾
¾
¾
¾
Others
9302G
Others
9302G
tTMIN
Minimum Tone Duration
Auto-redial
ms
ms
¾
tITPM
Minimum Inter-tone Pause
Auto-redial
¾
2
2
2
2
2
THD (Distortion) (dB) = 20 log
V1 + V2 +KVn
/
Vi + Vh
(
)
Vi, Vh: Row group and column group signals
V1, V2, ... Vn: Harmonic signals (BW=300Hz~3500Hz)
Rev. 1.30
6
May 13, 2009
HT9302 Series
Functional Description
Keyboard matrix
M/B ratio selection table
RK12
C1~C4 and R1~R4 form a keyboard matrix. Together
with a standard 4´4 keyboard, the keyboard matrix is
used for dialing entries. In addition, the keyboard ma-
trix provides resistor option for different dialing specifi-
cation selections. The keyboard arrangement for each of
the HT9302 series are shown in the Keyboard Informa-
tion.
M/B Ratio (%)
40:60
No
Yes
33.3:66.6
Flash function/time (duration) selection table
Flash
Function
Flash
RK13
RK14
Time (tF)
600ms
600ms
98ms
Tone frequency
No
No
No
Yes
No
Control
Digit
Output Frequency (Hz)
Tone
Name
% Error
Specified
697
Actual
699
Yes
Yes
Digit
R1
R2
R3
R4
C1
C2
C3
+0.29%
-0.52%
-0.59%
+0.74%
+0.50%
-0.30%
-0.34%
770
766
Yes
Digit
300ms
852
847
Pause and P®T duration selection table
941
948
1209
1336
1477
1215
1332
1472
RK21
No
tP (sec)
tP®T (sec)
3.6
2
3.6
1
Yes
Note: % Error does not contain the crystal frequency
drift
Pulse number selection table
·
This table shows pulse number selections for
HT9302x.
Dialing specification selection
By means of adding resistors on the keyboard matrix
pins, various dialing specifications can be selected. The
allowable option resistor connections are shown.
RK31
No
RK41
No
Pulse Number
N
N+1
10-N
¾
No
Yes
No
C
1
C
2
C
3
C
4
Yes
Yes
R
R
R
R
1
2
3
4
R
R
R
K
K
2
1
K
3
1
4
1
Yes
R
R
R
K
1
2
·
HT9302G has different selection method listed in the
table below.
K
1
3
RK31
No
Pulse Number
K
1
4
N
All the resistors are 330kW. The resistor option functions
and the default specifications (without option resistors)
are listed below.
Yes
10-N
Option
Resistor
Option
Function
Default
(No Resistor)
Make/Break Ratio
Selection
RK12
40:60
RK13
RK14
Flash Function and Flash=control function
Flash Time Selection Flash time=600ms
tP=3.6s
Pause & P®T
Duration Selection
RK21
tP®T=3.6s
RK31
RK41
Pulse Number
Selection
N
Rev. 1.30
7
May 13, 2009
HT9302 Series
Pulse number table
Keypad
Hold-line function operation
Output Pulse Number
·
Hold-line function execution
When HDO is low, a falling edge triggers the HDI, en-
abling the Hold-line function (HDO becomes high).
The XMUTE remains low when HDO is high.
New
Zealand
(10- N)
Sweden/
Denmark
(N+1)
Digit Key
Normal N
1
2
1
9
2
·
Reset Hold-line function
When HDO is high, the Hold-line function is enabled
and can be reset by:
2
8
3
3
3
7
4
¨
¨
¨
Off-hook
4
4
6
5
Applying a falling edge to HDI
Changing the HFO pin from low to high
5
5
5
6
6
6
4
7
·
Hold-line function table
7
7
8
3
2
8
9
C
u
r
r
e
n
t
S
t
I
a
n
t
p
e
u
t
N
e
x
t
8
H
K
H
S
D
O
H
F
O
H
F
I
H
D
I
H
K
S
H
D
O
H
F
O
9
9
1
10
H
H
H
H
L
L
X
X
L
L
L
L
L
L
L
L
H
A
A
A
n
n
n
L
A
A
A
n
n
n
0
10
10
1
H
L
L
L
*/T
#
P®T
Ignored
P®T
Ignored
P®T
Ignored
H
L
L
L
L
X
X
X
X
H
H
L
L
L
L
L
L
L
A
A
A
n
n
n
Hand-free function operation
H
·
Hand-free function execution
H
L
L
L
L
A
A
n
n
When HFO is low, a rising edge triggers the HFI, en-
abling the Hand-free function (HFO becomes high).
X
X
X
H
H
H
A
n
X
A
n
H
·
Reset Hand-free function
When HFO is high, the Hand-free function is enabled
and can be reset by:
H
L
:
o
g
g
i
c
X
H
D
:
I
o
G
n
H
'
t
c
a
:
R
r
i
e
s
i
n
g
L
L
:
o
i
c
A
L
O
n
U
:
W
n
c
h
a
n
g
:
F
e
a
d
l
l
i
n
¨
¨
¨
Off-hook
Applying a rising edge to HFI
Changing the HDO pin from low to high
DOUT BCD code
When dialing, the corresponding 4-bit BCD codes are
serially presented on DOUT from MSB to LSB. The data
of DOUT is valid at the falling edge of the CLOCK pin.
The following table lists the BCD codes corresponding
to the keyboard input.
·
Hand-free function table
C
u
r
r
e
n
t
S
t
I
a
n
t
p
e
u
t
N
e
x
t
S
H
K
S
H
F
O
H
D
O
H
D
I
H
F
I
H
K
S
H
F
O
H
O
D
H
H
H
H
L
L
X
X
X
H
H
H
H
H
H
H
H
L
A
A
A
n
n
n
L
A
A
A
n
n
n
Key-In
BCD Code
0001
Key-In
BCD Code
1000
H
L
L
L
1
2
3
4
5
6
7
8
9
H
L
L
L
0010
1001
X
L
L
L
L
0011
0
1010
L
L
L
L
L
L
X
X
A
A
A
n
n
n
0100
1101
*/T
#
H
0101
1100
H
L
L
A
A
n
n
0110
F
1011
X
X
X
L
L
H
A
n
0111
P
1110
X
L
A
n
L
H
H
L
:
o
g
i
c
X
H
D
:
I
o
G
n
H
'
t
c
a
:
R
r
i
e
s
i
n
g
L
L
:
o
g
i
c
A
L
O
n
U
:
W
n
c
h
a
n
g
:
F
e
a
d
l
l
i
n
Rev. 1.30
8
May 13, 2009
HT9302 Series
·
LOCK function
F
The function aims to detect locked dialing number to
prevent a long distance call. The dialing output of the
chip is disabled if the first input key after on-off-hook is
the locked number when the lock function is enabled.
The lock function selection is listed below.
The flash key can be selected as a digit or a control key
by the option resistors RK13 & RK14. Pressing the flash
key will force the PO pin to be ²low² for the tF duration
and is then followed by tFP (sec). tF can also be selected
by RK13, RK14
.
·
HT9302x version
LOCK Pin
OPEN
·
P
Pause key. The execution of the pause key pauses
the output for the tP duration. tP can be selected by
Function
Normal dialing (no lock)
²0, 9² is inhibited
RK21
.
VDD
·
·
·
R
VSS
²0² is inhibited
Redial key. Executes redialing as well as one-key re-
dial function.
Key definition
ST
·
0,1,2,3,4,5,6,7,8,9 keys
This key can store lock number with personal code in
IDD lock operation.
These are dialing number input keys for both the pulse
mode and the tone mode operations.
R/P
·
*/T
Redial and pause function key. If it is pressed as the
first key after off-hook, this key executes the redial
function. Otherwise, it works as the pause key.
This key executes the P®T function and waits a tP®T
duration in the pulse mode. On the other hand, the */T
key executes the * function in the tone mode.
·
·
#
This is a dialing signal key for the tone mode only, no
response in the pulse mode.
SA
Pressing this key can save the preceding dialing tele-
phone numbers. The saved number is redialed if it is
pressed again. SA will also redial the saved number if
it is the first key pressed at the off-hook state. During
the dialing signal transmission, the SAkey is inhibited.
Rev. 1.30
9
May 13, 2009
HT9302 Series
Keyboard operation
The following operations are described under an on-off- hook or on-hook condition with the hand-free active condition.
·
N
o
r
m
a
l
d
i
a
l
i
n
g
-
P
u
l
s
e
m
o
d
e
-
T
o
n
e
m
o
d
e
(
a
)
w
i
t
h
o
u
t
*
/
T
(
a
)
w
i
t
h
o
u
t
*
/
T
K
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
K
D
R
S
e
D
y
2
b
o
a
.
.
r
.
d
i
D
n
n
p
u
t
:
D
D
R
S
i
M
a
l
i
n
g
o
u
t
p
u
t
:
D
1
D
i
M
2
a
l
.
i
.
n
.
g
D
o
n
u
t
p
u
t
:
D
1
:
D
1
D
2
.
.
.
D
n
:
D
1
D
2
.
.
.
D
n
A
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
(
b
)
w
i
t
h
*
/
T
(
b
)
w
i
t
h
*
/
T
K
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
K
e
y
D
b
2
o
a
.
r
.
d
.
i
n
D
p
n
u
t
:
*
/
T
D
m
D
m
D
i
a
l
i
n
g
o
u
t
p
P
®
T
u
t
:
D
n
D
+
1
1
.
D
.
2
.
D
.
.
m
.
D
n
t
p
D
R
S
i
M
a
l
i
n
g
o
u
t
u
t
:
D
P
u
l
s
e
T
o
n
e
:
D
1
D
2
.
.
.
D
n
R
S
M
:
D
1
D
2
.
.
.
D
n
*
/
T
D
n
+
1
.
.
.
D
m
A
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
N
o
t
e
:
T
h
e
m
a
x
i
m
u
m
c
a
p
a
c
i
t
y
o
f
t
h
e
R
M
m
t
h
e
s
i
g
n
a
l
i
s
t
r
a
n
s
m
i
t
t
e
d
b
u
t
t
h
e
r
e
d
i
a
·
R
e
d
i
a
l
-
P
u
l
s
e
m
o
d
e
-
T
o
n
e
m
o
d
e
(
a
)
w
i
t
h
o
u
t
*
/
T
(
a
)
w
i
t
h
o
u
t
*
/
T
R
M
c
o
n
2
t
e
d
.
n
.
t
.
:
D
D
n
1
D
R
K
D
R
S
M
c
o
n
t
e
d
n
t
:
D
1
D
2
K
D
R
S
e
A
e
y
b
o
a
r
i
n
p
u
t
:
[
R
e
y
o
b
r
o
a
r
R
/
P
i
n
]
p
u
t
:
[
i
M
a
l
i
n
g
o
u
t
p
u
t
:
D
1
D
i
M
2
a
l
.
i
.
n
.
g
D
o
n
u
t
p
u
t
:
D
1
:
U
n
c
h
a
n
g
e
d
:
U
n
c
h
a
n
g
e
d
M
:
U
n
c
h
a
n
g
e
d
A
e
A
M
:
U
n
c
h
a
n
g
e
d
(
b
)
w
i
t
h
*
/
T
(
b
)
w
i
t
h
*
/
T
R
M
c
o
n
t
e
n
t
:
D
1
D
2
.
.
.
D
n
*
/
T
D
n
+
1
.
.
2
R
M
c
o
n
t
e
n
t
:
D
1
D
K
D
y
b
o
a
r
d
i
n
p
u
t
:
[
R
K
D
R
S
y
o
b
r
o
a
r
R
d
/
P
i
n
]
p
u
t
:
[
i
a
l
i
n
g
o
u
t
p
P
®
T
u
t
:
D
n
+
D
1
1
.
.
D
.
i
M
2
a
D
l
.
m
i
.
n
.
g
D
o
n
u
t
p
t
u
t
:
D
1
P
u
l
s
e
T
o
n
e
:
U
n
c
h
a
n
g
e
d
R
S
M
:
U
n
c
h
a
n
g
e
d
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
Rev. 1.30
10
May 13, 2009
HT9302 Series
·
O
n
e
-
k
e
y
r
e
d
i
a
l
-
P
u
l
s
e
m
o
d
e
-
T
o
n
e
m
o
d
e
(
a
)
w
i
t
h
o
u
t
*
/
T
(
a
)
w
i
t
h
o
u
t
*
/
T
K
D
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
K
D
e
D
y
2
b
o
.
a
.
r
.
d
i
D
n
n
p
u
t
:
R
D
i
a
l
i
n
g
o
u
t
p
R
u
K
R
t
P
t
:
D
1
D
i
2
a
l
.
i
.
n
.
g
D
o
n
u
t
t
p
B
R
u
K
R
t
P
t
:
D
1
D
1
D
1
D
2
.
.
.
D
n
.
.
.
D
n
R
S
M
:
D
1
D
2
.
.
.
D
n
R
S
M
:
D
1
D
2
.
.
.
D
n
A
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
(
b
)
w
i
t
h
*
/
T
(
b
)
w
i
t
h
*
/
T
K
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
K
e
D
y
2
b
o
a
.
.
r
.
d
i
D
n
n
p
u
t
:
*
/
T
D
R
D
m
D
m
R
D
i
a
l
i
n
g
o
u
t
p
t
u
t
:
D
1
D
i
a
l
i
n
g
o
u
t
p
P
®
T
u
D
t
n
:
+
1
D
1
.
.
.
D
D
2
m
.
.
.
D
n
P
u
l
s
e
T
o
n
e
t
B
R
K
R
P
t
D
1
D
2
.
t
B
R
K
R
P
t
D
1
P
D
®
T
2
.
.
.
D
n
t
.
.
.
D
m
P
u
l
s
e
R
S
M
:
D
1
D
2
.
.
.
D
n
D
n
+
1
.
.
.
D
m
A
M
:
U
n
c
h
a
n
g
e
d
T
o
n
e
R
S
M
:
D
1
D
2
.
.
.
D
n
*
/
T
D
n
+
1
.
.
.
D
m
A
M
:
U
n
c
h
a
n
g
e
d
N
o
t
e
:
I
f
t
h
e
d
i
a
l
i
n
g
n
u
m
b
e
r
e
x
c
e
e
d
s
3
2
d
·
S
A
c
o
p
y
-
P
u
l
s
e
m
o
u
d
e
-
T
o
n
e
m
o
d
e
(
a
)
w
i
t
h
o
t
*
/
T
(
a
)
w
i
t
h
o
u
t
*
/
T
K
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
K
e
D
y
2
b
o
.
a
.
r
.
d
i
D
n
n
p
u
t
:
S
A
D
D
R
S
i
M
a
l
i
n
g
o
u
t
p
u
t
:
D
1
D
R
S
D
i
M
2
a
l
.
i
.
n
.
g
D
o
n
u
t
p
u
t
:
D
1
:
D
1
D
2
.
.
.
D
n
:
D
1
D
2
.
.
.
D
n
A
M
:
D
1
D
2
.
.
.
D
n
A
M
:
D
1
D
2
.
.
.
D
(
b
)
w
i
t
h
*
/
T
(
b
)
w
i
t
h
*
/
T
K
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
K
e
D
y
2
b
o
a
.
.
r
.
d
i
D
n
n
p
u
t
:
*
/
T
D
D
m
S
A
D
m
S
A
D
R
S
i
a
l
i
n
g
o
u
t p
t
u
t
:
D
D
i
a
l
i
n
g
o
u
t
p
P
®
T
u
t
:
D
n
D
+
1
1
.
D
.
2
.
D
.
.
m
.
D
n
P
u
l
s
e
T
o
n
e
M
:
D
1
D
2
.
.
.
D
n
R
S
M
:
D
1
D
2
.
.
.
D
n
*
/
T
D
n
+
1
.
.
.
D
m
A
M
:
D
1
D
2
.
.
.
D
n
A
M
:
D
1
D
2
.
.
.
D
n
*
/
T
D
n
+
1
.
.
.
D
m
N
o
t
e
:
T
h
e
m
a
x
i
m
u
m
c
a
p
a
c
i
t
y
o
f
t
h
e
R
M
m
e
a
r
e
e
n
t
e
r
e
d
,
t
h
e
S
A
V
E
f
u
n
c
t
i
o
n
w
i
l
l
n
o
w
i
l
l
n
o
t
b
e
c
h
a
n
g
e
d
.
Rev. 1.30
11
May 13, 2009
HT9302 Series
·
S
A
d
i
a
l
i
n
g
-
P
u
l
s
e
m
o
d
e
-
T
o
n
e
m
o
d
e
(
a
)
w
i
t
h
o
u
t
*
/
T
(
a
)
w
i
t
h
o
u
t
*
/
T
S
A
e
M
c
o
n
t
e
n
t
:
D
1
D
2
S
A
e
.
M
.
.
c
D
o
n
n
t
e
n
t
:
D
1
K
y
b
o
a
r
d
i
n
p
u
t
:
S
A
K
D
R
S
y
b
o
a
r
d
i
n
p
u
t
:
D
i
M
a
l
i
n
g
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t
p
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t
:
D
1
D
i
M
2
a
l
.
i
.
n
.
g
1
D
o
n
u
D
t
2
p
u
.
.
t
.
:
D
D
n
R
S
:
U
n
c
h
a
n
g
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d
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
A
M
M
:
U
n
c
h
a
n
g
e
d
(
b
)
w
i
t
h
*
/
T
(
b
)
w
i
t
h
*
/
T
S
A
M
c
o
n
t
e
n
t
:
D
1
D
2
S
A
.
.
.
c
D
o
n
n
t
e
*
/
n
T
t
:
D
D
n
1
+
1
K
D
e
y
b
o
a
r
d
i
n
p
u
t
:
S
A
K
D
e
y
b
o
a
r
d
i
n
p
u
t
:
i
M
a
l
i
n
g
o
u
t
p
t
u
t
:
D
i
a
l
i
n
g
o
u
t
p
P
®
T
u
t
:
D
n
D
+
1
1
.
D
.
2
.
D
.
.
m
.
D
n
P
u
l
s
e
T
o
n
e
R
S
:
U
n
c
h
a
n
g
e
d
R
S
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
·
F
l
a
s
h
-
F
l
a
s
h
a
s
a
d
i
g
i
t
a
l
-
k
e
F
y
l
a
s
h
a
s
a
c
o
n
t
r
o
l
(
a
)
T
h
e
i
n
t
e
r
v
e
n
i
e
n
t
k
K
e
e
y
y
b
o
a
r
d
i
n
p
u
t
:
D
m
K
e
y
b
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a
r
d
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n
p
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t
:
D
1
D
2
.
.
.
D
n
F
D
m
D
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M
a
l
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g
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p
F
u
F
t
T
P
:
D
n
D
+
D
m
D
D
i
a
l
i
n
g
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t
p
F
F
u
P
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t
:
D
n
D
+
1
1
.
D
.
.
2
.
.
.
n
t
R
S
:
D
n
+
1
.
.
.
D
m
D
m
R
S
M
:
D
1
D
2
.
.
.
D
n
A
M
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
(
b
)
T
h
e
f
i
r
s
t
k
e
y
N
o
t
F
:
e
:
b
r
T
e
a
k
a
f
l
a
s
h
t
K
e
y
b
o
a
r
d
i
n
p
u
t
:
F
D
1
D
2
.
.
.
D
n
D
R
S
i
M
a
l
i
n
F
g
F
P
o
t
u
D
t
1
p
u
t
D
:
2
t
.
.
D
n
:
U
n
c
h
a
n
g
e
d
A
M
:
U
n
c
h
a
n
g
e
d
·
P
a
u
s
e
K
D
R
S
e
y
b
o
a
r
d
i
n
p
u
t
:
D
1
D
2
.
.
.
D
n
P
i
M
a
l
i
n
g
o
u
t
p
P
u
t
D
:
n
+
D
1
1
.
.
D
.
2
D
.
m
.
.
D
n
t
:
D
1
D
2
.
.
.
D
n
P
D
n
+
1
.
.
.
D
m
A
M
:
U
n
c
h
a
n
g
e
d
·
N
o
t
e
R
S
D
D
M
:
R
e
d
i
a
l
m
e
m
o
r
y
A
M
:
S
a
v
e
d
i
a
l
i
n
g
m
e
m
o
r
y
1
n
D
2
.
.
.
D
n
:
0
~
9
+
1
.
.
.
D
m
:
0
~
9
,
*
,
#
Rev. 1.30
12
May 13, 2009
HT9302 Series
Timing Diagrams
Normal dialing
·
Pulse mode
H
i
g
h
I
m
p
e
d
a
H
K
S
K
E
Y
I
N
D
1
D
2
R
t
D
B
t
D
B
t
D
B
O
t
h
e
r
s
X
M
U
T
E
t
I
D
M
P
H
T
9
3
0
2
G
X
M
U
T
E
t
I
D
M
P
t
I
D
M
P
t
P
D
P
t
I
D
P
t
P
D
P
t
M
P
O
t
B
t
M
t
M
D
T
M
F
t
I
D
-
M
P
t
X
2
2
0
m
s
2
0
m
s
·
Tone mode
H
i
g
h
I
m
p
e
H
K
S
K
E
Y
I
N
D
1
R
D
2
t
D
B
t
D
B
t
D
B
X
M
U
T
E
P
O
t
I
T
P
M
t
I
T
P
M
t
I
T
P
M
D
T
M
F
t
T
M
I
N
t
I
T
P
M
X
2
2
0
m
s
2
0
m
s
Rev. 1.30
13
May 13, 2009
HT9302 Series
Dialing with pause key
·
Pulse mode
H
i
g
h
I
m
p
e
d
H
K
S
D
1
D
2
D
3
P
K
E
Y
I
N
t
D
B
t
+
t
P
P
P
D
O
t
h
e
r
s
X
M
U
T
E
t
I
D
-
M
P
t
t
I
D
M
P
H
T
9
3
0
2
G
X
M
U
T
E
t
M
t
P
D
P
t
M
t
I
D
P
P
O
D
T
M
F
X
2
2
0
m
s
·
Tone mode
H
i
g
h
I
m
p
H
K
S
D
1
D
2
P
D
3
K
E
Y
I
N
t
D
B
t
P
X
M
U
T
E
P
O
t
T
M
I
N
t
I
T
P
M
t
I
T
P
M
D
T
M
F
t
I
T
P
M
X
2
2
0
m
s
Rev. 1.30
14
May 13, 2009
HT9302 Series
Flash key operation
H
i
g
h
I
m
p
H
K
S
F
K
E
Y
I
N
t
D
B
X
M
U
T
E
P
O
t
F
P
t
F
D
T
M
F
X
2
2
0
m
s
Pulse®Tone operation
H
i
g
h
I
m
p
H
K
S
K
E
Y
I
N
*
/
T
D
1
D
2
D
3
t
P
®
T
t
I
D
P
t
D
B
X
M
U
T
E
t
I
D
P
+
P
D
t
P
t
P
D
P
P
O
t
T
M
I
N
t
I
T
P
M
D
T
M
F
X
2
2
0
m
s
Rev. 1.30
15
May 13, 2009
HT9302 Series
One key redial operation
H
i
g
h
I
m
p
H
K
S
D
1
D
2
R
K
E
Y
I
N
t
I
T
P
M
t
D
B
t
D
B
t
D
B
t
I
T
P
M
t
I
T
P
M
X
M
U
T
E
t
R
P
P
O
(
1
s
e
c
)
t
I T
P
M
t
B
R
K
(
1
.
2
s
e
c
s
)
D
T
M
F
X
2
2
0
m
s
CLOCK & DOUT operation
H
i
g
h
I
m
p
H
K
S
D
1
K
E
Y
I
N
X
M
U
T
E
t
P
D
P
t
D
B
t
M
t
B
P
O
C
L
O
C
K
f
D
C
L
O
=
C
2
K
.
4
k
H
z
D
O
U
T
a
t
a
X
2
2
0
m
s
N
o
t
e
:
D
1
=
D
3
=
3
D
2
=
2
Rev. 1.30
16
May 13, 2009
HT9302 Series
Application Circuits
Application circuit 1
Rev. 1.30
17
May 13, 2009
HT9302 Series
Application circuit 2
Rev. 1.30
18
May 13, 2009
HT9302 Series
Application circuit 3
8
4
1
4
N
1
Rev. 1.30
19
May 13, 2009
HT9302 Series
Application circuit 4
Rev. 1.30
20
May 13, 2009
HT9302 Series
Application circuit 5
Rev. 1.30
21
May 13, 2009
HT9302 Series
Package Information
16-pin DIP (300mil) Outline Dimensions
A
A
9
8
1
6
9
8
1
6
B
B
1
1
H
H
C
D
C
D
G
G
E
E
I
I
F
F
Fig1. Full Lead Packages
Fig2. 1/2 Lead Packages
·
MS-001d (see fig1)
Dimensions in mil
Nom.
Symbol
Min.
780
240
115
115
14
Max.
880
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
·
MS-001d (see fig2)
Dimensions in mil
Nom.
Symbol
Min.
735
240
115
115
14
Max.
775
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
22
May 13, 2009
HT9302 Series
·
MO-095a (see fig2)
Dimensions in mil
Nom.
Symbol
Min.
745
275
120
110
14
Max.
785
295
150
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
60
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
23
May 13, 2009
HT9302 Series
16-pin NSOP (150mil) Outline Dimensions
1
6
9
8
A
B
1
C
C
'
G
H
D
a
F
E
·
MS-012
Dimensions in mil
Nom.
Symbol
Min.
228
150
12
386
¾
Max.
244
157
20
A
B
C
C¢
D
E
F
¾
¾
¾
¾
¾
50
¾
¾
¾
¾
394
69
¾
¾
4
10
G
H
a
16
7
50
10
0°
8°
Rev. 1.30
24
May 13, 2009
HT9302 Series
18-pin DIP (300mil) Outline Dimensions
A
A
1
8
1
0
1
8
1
0
B
B
1
9
1
9
H
H
C
D
C
D
E
E
I
I
G
G
F
F
Fig1. Full Lead Packages
Fig2. 1/2 Lead Packages
·
MS-001d (see fig1)
Dimensions in mil
Nom.
Symbol
Min.
880
240
115
115
14
Max.
920
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
·
MS-001d (see fig1)
Dimensions in mil
Nom.
Symbol
Min.
845
240
115
115
14
Max.
880
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
25
May 13, 2009
HT9302 Series
·
MO-095a (see fig2)
Dimensions in mil
Nom.
Symbol
Min.
845
275
120
110
14
Max.
885
295
150
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
60
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
26
May 13, 2009
HT9302 Series
20-pin DIP (300mil) Outline Dimensions
A
A
2
0
1
1
1
0
2
0
1
1
1
0
B
B
1
1
H
H
C
D
C
D
I
I
E
F
G
E
F
G
Fig1. Full Lead Packages
Fig2. 1/2 Lead Packages
·
MS-001d (see fig1)
Dimensions in mil
Nom.
Symbol
Min.
980
240
115
115
14
Max.
1060
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
·
MO-095a (see fig2)
Dimensions in mil
Nom.
Symbol
Min.
945
275
120
110
14
Max.
985
295
150
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
60
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
27
May 13, 2009
HT9302 Series
22-pin SKDIP (300mil) Outline Dimensions
A
2
2
1
1
2
1
B
1
H
C
D
I
E
F
G
Dimensions in mil
Nom.
Symbol
Min.
1085
253
125
125
16
Max.
1105
263
135
145
20
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
50
70
¾
100
¾
¾
¾
295
¾
315
375
¾
Rev. 1.30
28
May 13, 2009
HT9302 Series
24-pin SKDIP (300mil) Outline Dimensions
A
A
2
4
1
1
3
2
1
1
3
2
2
4
B
B
1
1
H
H
C
D
C
D
I
I
E
F
G
E
F
G
Fig2. 1/2 Lead Packages
Fig1. Full Lead Packages
·
MS-001d (see fig1)
Dimensions in mil
Nom.
Symbol
Min.
1230
240
115
115
14
Max.
1280
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
·
MS-001d (see fig2)
Dimensions in mil
Nom.
Symbol
Min.
1160
240
115
115
14
Max.
1195
280
195
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
70
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
29
May 13, 2009
HT9302 Series
·
MO-095a (see fig2)
Dimensions in mil
Nom.
Symbol
Min.
1145
275
120
110
14
Max.
1185
295
150
150
22
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
¾
45
60
¾
100
¾
¾
¾
300
¾
325
430
¾
Rev. 1.30
30
May 13, 2009
HT9302 Series
Product Tape and Reel Specifications
Reel Dimensions
D
T
2
C
A
B
T
1
SOP 16N (150mil)
Symbol
Description
Dimensions in mm
A
B
Reel Outer Diameter
Reel Inner Diameter
Spindle Hole Diameter
Key Slit Width
330.0±1.0
100.0±1.5
+0.5/-0.2
13.0
C
D
2.0±0.5
+0.3/-0.2
16.8
T1
T2
Space Between Flange
Reel Thickness
22.2±0.2
Rev. 1.30
31
May 13, 2009
HT9302 Series
Carrier Tape Dimensions
P
0
P
1
t
D
E
F
W
B
0
C
D
1
P
K
0
A
0
R
e
e
l
H
o
l
e
I
C
p
a
c
k
a
g
e
p
i
n
1
a
n
a
r
e
l
o
c
a
t
e
d
o
n
t
h
e
s
SOP 16N (150mil)
Symbol
Description
Dimensions in mm
16.0±0.3
W
P
Carrier Tape Width
Cavity Pitch
8.0±0.1
E
Perforation Position
1.75±0.1
F
Cavity to Perforation (Width Direction)
Perforation Diameter
Cavity Hole Diameter
Perforation Pitch
7.5±0.1
+0.10/-0.00
D
1.55
+0.25/-0.00
D1
P0
P1
A0
B0
K0
t
1.50
4.0±0.1
2.0±0.1
Cavity to Perforation (Length Direction)
Cavity Length
6.5±0.1
Cavity Width
10.3±0.1
2.1±0.1
Cavity Depth
Carrier Tape Thickness
Cover Tape Width
0.30±0.05
13.3±0.1
C
Rev. 1.30
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HT9302 Series
Holtek Semiconductor Inc. (Headquarters)
No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan
Tel: 886-3-563-1999
Fax: 886-3-563-1189
http://www.holtek.com.tw
Holtek Semiconductor Inc. (Taipei Sales Office)
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7373
Fax: 886-2-2655-7383 (International sales hotline)
Holtek Semiconductor Inc. (Shanghai Sales Office)
G Room, 3 Floor, No.1 Building, No.2016 Yi-Shan Road, Minhang District, Shanghai, China 201103
Tel: 86-21-5422-4590
Fax: 86-21-5422-4705
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Holtek Semiconductor Inc. (Shenzhen Sales Office)
5F, Unit A, Productivity Building, Gaoxin M 2nd, Middle Zone Of High-Tech Industrial Park, ShenZhen, China 518057
Tel: 86-755-8616-9908, 86-755-8616-9308
Fax: 86-755-8616-9722
Holtek Semiconductor Inc. (Beijing Sales Office)
Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031
Tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752
Fax: 86-10-6641-0125
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Tel: 1-510-252-9880
Fax: 1-510-252-9885
http://www.holtek.com
Copyright Ó 2009 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek as-
sumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used
solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable
without further modification, nor recommends the use of its products for application that may present a risk to human life
due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices
or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information,
please visit our web site at http://www.holtek.com.tw.
Rev. 1.30
33
May 13, 2009
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