HA16103FPJ [HITACHI]
Watchdog Timer; 看门狗定时器
| 型号： | HA16103FPJ |
| 厂家： | 
HITACHI SEMICONDUCTOR |
| 描述： | Watchdog Timer |
| 文件： | 总21页 (文件大小：107K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HA16103 FPJ/FPK
Watchdog Timer
Description
The HA16103FPJ/FPK monolithic voltage control is designed for microcomputer systems. In addition to
voltage regulator, it includes watch dog timer function, power on reset function, and output voltage monitor
function.
It is suitable for battery use microcomputer systems.
Functions
•
•
•
•
5 V regulated power supply
Power on reset pulse generator
Watch dog timer
Low voltage inhibit protection
Features
•
•
Wide operational supply voltage range (VCC = 6 to 40 V)
Various control signals are generated when microcomputer system runaway occurs. (NMI signal and
STBY signal are generated by detecting voltage level, and RES signal is generated by monitoring the
time after NMI signal is detected)
•
•
•
Regulated voltage, NMI detecting voltage, STBY detecting voltage are adjustable.
At low voltage and re-start, the delay time of RES signal is adjustable
Watchdog timer filtering uses the minimum clock input pulse width and maximum cycle detection
method
Ordering Information
Type No.
Package
FP-20DA
FP-20DA
HA16103FPJ
HA16103FPK
HA16103 FPJ/FPK
Pin Arrangement
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NC
P-RUN
Rf
STBY
VSTBYadj
RES
Cf
R
R
NMI
C
R
VNMIadj
GND
VOadj
CRES
VCC
V
VCONT
NC
OUT
NC
(Top view)
2
HA16103 FPJ/FPK
Pin Functions
No.
1
Pin Name
Description
NC
NC pin
2
P-RUN
Rf
P-RUN signal input pin for watchdog timer
3
Connect resistor Rf. Frequency bandwidth of the filter circuit depends on Rf
Connect resistor Cf. Frequency bandwidth of the filter circuit depends on Cf
Connect resistor RR. Reset-signal power-on time depends on RR
Connect resistor CR. Reset-signal power-on time depends on CR
Ground
4
Cf
5
RR
6
CR
7
GND
Voadj
8
5-V reference voltage fine-tuning pin. Connect a resistor between this pin and
GND. The value of output voltage is given by
VOUT = {1 + 5.34/(R1 // 2.0)} × Voadj Unit for R1: kΩ
9
VOUT
Connect the collector of an external PNP-type transistor. The pin supplies 5-V
regulated voltage for internal circuit
10
11
12
13
14
NC
NC pin
NC
NC pin
VCONT
VCC
The external PNP-type transistor’s base control pin
Supply voltage pin. Operating supply voltage range is 6.0 to 40 V.
CRES
If the voltage of VOUT pin declines to less than Detection voltage(1) (because of
an instant power cut or other cause), NMI signals are generated.
If tRES ≈ 0.5•Rf•CRES(sec) has passed since then, RES signals are generated.
If the voltage of VOUT pin inclines to more than Detection voltage(1) (in case of
re-start from LVI state), NMI signals are stop. tr ≈ 0.5•Rf•CRES(sec) has passed
since then, RES signals are stop. Connect capacitor CRES between this pin and
GND to adjust the RES signals delay time(tRES, tr). If delay time is unnecessary,
make this pin open (tRES = 2 µs typ. tr = 10 µs typ. at open)
15
VNMIadj
NMI detection voltage fine-tuning pin. Connect a resistor between this pin and
VOUT pin or GND. The value of output voltage is given by
V
NMI = {1 + (R2 // 25.5)/(R3 // 10.6)} × VNMIadj. Unit for R2, R3: kΩ
16
17
18
NMI
NMI signal output pin. Connect to pin NMI of the microcomputer
RES signal output pin. Connect to pin RES of the microcomputer
RES
VSTBYadj
STBY detection voltage tuning pin. Connect a resistor between this pin and
VOUT or GND. The value of output voltage is given by
V
STBY = 1.89 × {1 + 21/(7.9 + 8.85 // R4)} × VSTBYadj Unit for R4: kΩ
19
20
STBY
STBY signal output pin. Connect to pin STBY of the microcomputer
NC
NC pin
3
HA16103 FPJ/FPK
Block Diagram
VOUT
+
VCONT
VCC
VOUT
13 12
9
5.34 k
Ω
V
oadj
8
3.3 k
Ω
19
Error
2 k
Ω
STBY
amplifier
Comparator
for STBY
Starter circuit
Reference
voltage
generator
Comparator
for RES
Delay
circuit
14
CRES
3.3 k
Ω
16
Comparator
for NMI
NMI
18
2
VSTBYadj
P-RUN
Power on reset
and automatic
reset circuit
3.3 k
Ω
Band-pass
filter circuit
Watchdog
timer
17
RES
3 Rf
4 Cf
15
6
5 RR
CR
7
GND
VNMIadj
1000 pF
4
HA16103 FPJ/FPK
Functional Description
Stabilized Power Supply Function
The stabilized power supply includes the following features:
•
•
•
Wide range of operating input voltage from 6 V to 40 V to provide stabilized voltages
Availability of any output current, by simply replacing the external transistor
Fine adjustment of output voltage
Figure 1 shows the fine adjustment circuit of the output circuit. Select the resistor R1 as shown in
equation 1.
Add a resistor between GND and Voadj to increase the output voltage.
To micro-
computer system
VBATT
Q1
C1
R1
100 µF
VCC
VCONT VOUT
HA16103
5.34
×
Vout = (1+
) Voadj
Equation 1
R1// 2.0
(R1: kΩ)
(Voadj 1.31V)
GND
Figure 1 Fine Adjustment Circuit of Output Voltage
5
IOUT = 0.1 A
0.5 A
4
(Ta = 25°C)
1 A
3
2
1
0
5
10
Input voltage VCC (V)
Figure 2 Output Voltage Characteristic
5
HA16103 FPJ/FPK
Power-On Reset Function
The system contains the power-on reset function required when a microcomputer is turned on.
The reset period may be set with external components RR and CR. Equation 2 specifies how to determine
the reset period (ton) and figure 3 shows the characteristic of the circuit.
RES
HA16103
R
C
R
R
t
= 0.46 x C x R x Vout(s)
Equation 2
on
R
R
R : Ω
R
200 m
180 m
160 m
140 m
120 m
100 m
80 m
60 m
40 m
20 m
0
(Ta = 25°C)
VCC = 12 V
CR = 0.22 µF
CR = 0.1 µF
CR = 0.047 µF
100 k
200 k
Resistance RR (Ω)
500 k
Figure 3 Characteristic of Power-On Reset Circuit
6
HA16103 FPJ/FPK
Watchdog Timer Function
The system contains a bandpass filter for pulse width detection, which outputs a reset pulse when input
pulses are not at the preselected frequency (at either a higher or lower frequency).
The RC characteristic of the bandpass filter may be set with external components Rf and Cf. Equation 3
specifies how to determine the minimum pulse width (tmin) for runaway detection of the bandpass filter,
and figure 4 shows the characteristic of the filter.
HA16103
Rf
Cf
tmin = Cf x Rf x 0.11 (s)
Equation 3
Rf : Ω
2.0 m
1.8 m
1.6 m
1.4 m
1.2 m
1.0 m
0.8 m
0.6 m
0.4 m
0.2 m
(Ta = 25°C)
P—Run pulse duty ratio 50% (fixed)
VCC = 12 V
CR = 0.1 µF
RR = 180 k
Ω
Cf = 0.022 µF
Cf = 0.01 µF
Cf = 0.0047 µF
100 k
200 k
Resistance Rf (Ω)
500 k
Figure 4 Characteristic of Power-On Reset Circuit
7
HA16103 FPJ/FPK
Low Voltage Monitoring Function
The system contains a circuit to send a control signal to the microcomputer when the output voltage drops.
The circuit includes the following features.
•
•
•
Two-point monitoring of output voltage (VNMI and VSTBY)
Availability of fine adjustment of Vth1 (VNMI) and Vth2 (VSTBY
Output of control signal in standby mode of microcomputer
)
Figure 5 shows the timing chart of control signals when the output voltage drops.
If the output voltage drops below Vth1 (4.60 V), the NMI signal rises to request the microcomputer to issue
the NMI interrupt signal. The RES signal falls tRES seconds after the NMI signal rises. If the output voltage
drops further to below Vth2 (3.2 V), the STBY signal rises to enable the micro-computer to enter standby
mode.
VBATT
4.60 V
4.70 V
4.70 V
4.60 V
3.20 V
VO
NMI
Power on reset signal
ton
toff
tr
RES
STBY
P-RUN
tRES
tRES
tRH
tRL
Automatic reset signal
System runaway
Figure 5 Timing Chart for Low Voltage Monitoring
8
HA16103 FPJ/FPK
Absolute Maximum Ratings (Ta = 25°C)
Ratings
HA16103FPJ HA16103FPK Units
Item
Symbol
VCC supply voltage
Control pin voltage
Control pin current
VOUT pin voltage
VCC
40
40
V
VCONT
ICONT
VOUT
PT
40
40
V
20
20
mA
V
12
400*1
12
400*2
Power dissipation
mW
°C
°C
Operating ambient temperature range
Storage temperature range
Topr
Tstg
–40 to +85
–50 to +125
–40 to +125
–50 to +150
Notes: 1. Value under Ta ≤ 77°C. If Ta is greater, 8.3 mW/°C derating occurs.
2. Allowable temperature of IC junction part, Tj(max), is as shown below.
Tj (max) = θj-a•Pc (max)+Ta
(θj-a is thermal resistance value during mounting, and Pc (max) is the maximum value of IC
power dissipation.)
Therefore, to keep Tj (max) ≤ 125°C, wiring density and board material must be selected
according to the board thermal conductivity ratio shown below.
.
Be careful that the value of Pc (max) does not exceed that PT
240
SOP20
without compound
220
200
180
160
140
Board
40 mm
0.8 t ceramic or
1.5 t epoxy
SOP20
using paste
containing
compound
120
100
80
(1)
(2)
(3)
0.5
1
2
20
10
5
Board thermal conductivity (W/m°C)
(1)
(2)
(3)
Glass epoxy board with 10% wiring density
Glass epoxy board with 30% wiring density
Ceramic board with 96% alumina coefficient
9
HA16103 FPJ/FPK
Electrical Characteristics (Ta = 25°C, VCC = 12 V, VOUT = 5 V)
HA16103FPJ/FPK
Item
Symbol
ICCL
Min
Typ
Max Unit
Test Condition
Supply current
Output voltage
—
8
12
mA
V
VCC = 12 V
Regulator
VO1
4.80 5.00 5.20
VCC = 6 to 17.5 V
IOUT = 0.5 A,
R1 = 30 kΩ
VO2
4.70 5.00 5.30
V
VCC = 6 to 17.5 V
IOUT = 1 A, R1 = 30 kΩ
Line regulation
Load regulation
Ripple rejection
Voline
Voload
RREJ
–50
–100
45
—
50
100
—
mV
mV
dB
VCC = 6 to 17.5 V
IOUT = 1 A, R1 = 30 kΩ
—
IOUT = 10 mA to 0.5 A,
R1 = 30 kΩ
75
0.6
Vi = 0.5 Vrms,
fi = 1 kHz, R1 = 30 kΩ
Output voltage
Temperature
coefficient
δVO/δT
—
—
mV/°C VCC = 12 V, R1 = 30 kΩ
Clock input “L”-input voltage
“H”-input voltage
VIL
VIH
IIL
—
—
—
0.8
—
V
V
2.0
“L”-input current
–120 –60
0.3
—
µA
VIL = 0 V
VIH = 5 V
“H”-input current
IIH
—
0.5
mA
10
HA16103 FPJ/FPK
Electrical Characteristics (Ta = 25°C, VCC = 12 V, VOUT = 5 V) (cont)
Item
Symbol
Min
Typ
Max Unit
Test Condition
NMI output
NMI pin
VOL1
—
—
0.4
V
V
V
V
V
V
V
V
V
IOL1 = 2 mA
“L”-level voltage
NMI pin
“H”-level voltage
VOH1
VNMI
VOL2
VOH2
—
—
—
—
—
—
—
—
VO1
(VO2)
—
NMI function start
VOUT voltage
0.7
1.4
0.4
—
STBY
output
STBY pin
“L”-level voltage
—
IOL2 = 2 mA
STBY pin
“H”-level voltage
VO1
(VO2)
STBY function start VSTBY
VOUT voltage
0.7
1.4
0.4
—
RES output RES pin
“L”-level voltage
VOL3
VOH3
—
IOL3 = 2 mA
RES pin
“H”-level voltage
VO1
(VO2)
RES function start VRES
OUT voltage
0.7
1.4
V
Power on time
tON
25
80
15
40
60
ms
ms
ms
Rf = 180 kΩ, RR = 180 kΩ
Cf = 0.01 µF, CR = 0.1 µF
Clock off reset time tOFF
130
20
190
30
Reset pulse
“L”-level time
tRL
tRH
Rf = 180 kΩ, RR = 180 kΩ
Cf = 0.01 µF, CR = 0.1 µF
Reset pulse
“H”-level time
37
60
90
ms
Rf = 180 kΩ, RR = 180 kΩ
Cf = 0.01 µF, CR = 0.1 µF
Low Voltage Detection voltage(1) VH1
4.40 4.60 4.80
V
protecton
Detection voltage(1) VHYS1
50
100
150
mV
Hysteresis width
Detection voltage(2) VH2
2.9
3.2
3.5
V
V
Detection voltage(2) VHYS2
Hysteresis width
1.35 1.5
1.65
Reset
pulse
Delay time
inhibit tRES
—
—
200
200
—
—
µs
µs
CRES = 2200 pF
CRES = 2200 pF
restart tr
11
HA16103 FPJ/FPK
Electrical Characteristics (Ta = –40 to 125°C, VCC = 12 V, VOUT = 5 V, R1 = 30 k )
(cont)
HA16103FPK
Item
Symbol
ICC1
Min
Typ
Max Unit
Test Condition
Supply current
Output voltage
—
7
13
mA
V
Regulator
Vout1
4.80 5.00 5.20
VCC = 6 to 17.5 V
IOUT = 0.5 A
Line regulation
Load regulation
Voline
–50
—
50
mV
VCC = 6 to 17.5 V
IOUT = 0.5 A
Voload
VIL
–100
—
—
—
—
100
0.4
—
mV
V
IOUT = 10 mA to 0.5 A
Clock input “L”-input voltage
“H”-input voltage
VIH
2.4
V
“L”-input current
IIL
–120 –60
—
µA
mA
V
VIL = 0 V
“H”-input current
IIH
—
—
0.3
—
0.6
0.5
VIH = 5 V
IOL1 = 2 mA
NMI output NMI pin
VOLN
“L”-level voltage
NMI pin
VOHN
VOLS
VOHS
VOLR
VOHR
tON
—
—
—
—
—
VOUT1
—
—
V
V
V
V
V
“H”-level voltage
STBY
output
STBY pin
“L”-level voltage
0.5
—
IOL2 = 2 mA
STBY pin
“H”-level voltage
VOUT1
—
RES output RES pin
“L”-level voltage
0.5
—
IOL3 = 2 mA
RES pin
“H”-level voltage
VOUT1
Power on time
25
70
15
40
60
ms
ms
ms
Rf = 180 kΩ, RR = 180 kΩ
Cf = 0.01 µF, CR = 0.1 µF
Clock off reset time tOFF
130
20
200
30
Reset pulse
“L”-level time
tRL
Rf = 180 kΩ, RR = 180 kΩ
Cf = 0.01 µF, CR = 0.1 µF
Reset pulse
“H”-level time
tRH
30
60
100
ms
Rf = 180 kΩ, RR = 180 kΩ
Cf = 0.01 µF, CR = 0.1 µF
Low Voltage Detection voltage(1) VNMI
4.35 4.60 4.85
2.80 3.20 3.60
V
V
protecton
Detection voltage(2) VSTBY
12
HA16103 FPJ/FPK
Test Circuit
S1
2SB857D
Q1
VOUT
R1
C1
100 µ
VCC
V
Voadj
VOUT
CONT
VNMIadj
NMI
Counter
HA16103
STBY
RES
VSTBYadj
GND
Cf
P-RUN Rf
RR CR CRES
0.1
µ
0.01
µ
2200 p
Unit R: Ω
1000 p
VBATT
180 k
C: F
180 k
Sample Connection Circuit
Sample Connection Circuit between HA16103 and H8/532
To other
microcomputer systems
D1
S1
Q1
Q2
100 µ
C1
R1
IGN,SW
VZ1
R2
R3
Q3
VCC VCONT VOUT
V
oadj
VNMIadj
VCC
NMI
NMI
R5
C2
STBY
RES
STBY
RES
HA16103
H8/532
VZ2
GND
P-RUN
VSTBYadj
CRES
RR CR
PORT
GND
Rf
Cf
R4
0.01
µ
0.1
µ
CRES
2200 p
VBATT
180 k
180 k
1000 p
Unit R: Ω
C: F
(1)
13
HA16103 FPJ/FPK
Sample Connection Circuit between HA16103 and H8/532 (2)
S1
C1
100 µ
Q1
IGN. SW
Q2
VZ1
R1
Q3
R2
R3
VCC
VCONT VOUT Voadj
VNMIadj
VCC
H8/532
GND
NMI
NMI
R5
C2
STBY
RES
STBY
HA16103
RES
VZ2
GND
CLK
VSTBYadj
PORT
Rf
Cf
RR
CR CRES
R4
0.01 µ 180 k 0.1 µ
2200 p
180 k
1000 p
VBATT
VOUT
VCC
NMI
NMI
STBY
RES
STBY
HA16103
H8/532
GND
RES
GND
VSTBYadj
CRES
CR
PORT
Rf
Cf
RR
CLK
0.01 µ 180 k
2200 p
0.1 µ
180 k
1000 p
Unit R: Ω
C: F
14
HA16103 FPJ/FPK
Precautions
If the IC’s ground potential varies suddenly by several volts due to wiring impedance (see figure 6), a false
RES pulse may be output. The reason for this is that potentials in the RES pulse generating circuit change
together with the VOUT-GND potential. The reference potential of the comparator in figure 7 and the
potential of the external capacitor have different impedances as seen from the comparator, causing a
momentary inversion. The solution is to stabilize the ground potential. Two ways of stabilizing the IC’s
ground line are:
•
•
Separate the IC’s ground line from highcurrent ground lines.
Increase the capacitance (Co) used to smooth the VOUT output.
Wiring impedance
SW2
SW1
Co
HA16103PJ/FPJ
RL
V
IGN
Relay or other load
Wiring impedance
Figure 6 Typical Circuit
Vout
V CC Vcont
Wiring impedance
CRES
RES
+
–
GND
Figure 7 RES Comparator
15
HA16103 FPJ/FPK
• Low-voltage inhibit section
Low-Voltage Reset Pulse Delay vs. CRES
Ta = 25°C
VCC = 12 V
R1= 30 kΩ
3 m
2 m
1 m
Rf = 360 kΩ
Rf = 560 kΩ
Rf = 180 kΩ
5000 p 7000 p 10000 p
0 1000 p
2000 p 3000 p
CRES (F)
Permissible P-RUN Pulse Duty Cycle vs. P-RUN Pulse Frequency
20 k
10 k
Ta = 25°C
VIN = 12 V
5 k
2 k
1 k
Runaway detected
at 100%
Permissible P-RUN
duty cycle
500
200
100
50
A
B
B
duty =
× 100
A + B
20
10
0
20
40
60
80
100
P-RUN Pulse Duty Cycle (%)
16
HA16103 FPJ/FPK
• Low-voltage inhibit section
Low-Voltage Reset Pulse Recovery Delay vs. CRES
Ta = 25°C
VCC = 12 V
R1= 30 kΩ
3 m
2 m
1 m
0 1000 p
2000 p 3000 p
CRES (F)
5000 p 7000 p 10000 p
• Power-on and auto-reset section
Reset Low Time vs. Resistance RR
160 m
140 m
120 m
100 m
80 m
60 m
40 m
20 m
0
Ta = 25°C
VCC = 12 V
VOUT = 5 V typ
100 k
200 k
300 k
500 k
Resistance RR (Ω)
17
HA16103 FPJ/FPK
• Power-on and auto-reset section
Clock-Off Time vs. Resistance RR
700 m
600 m
500 m
400 m
300 m
200 m
100 m
0
Ta = 25°C
VCC = 12 V
VOUT = 5 V typ
CR = 0.22 µF
CR = 0.1 µF
CR = 0.047 µF
300 k 500 k
Resistance RR (Ω)
100 k
200 k
• Vref section
Output Voltage vs. Adjustment Resistance
5.30
Ta = 25°C
VCC = 12 V
5.20
5.10
5.00
4.90
4.80
4.70
0 10 k
100 k
1 M
VOUT Adjustment Resistance R1 (Ω)
18
HA16103 FPJ/FPK
• Power-on and auto-reset section
Reset High Time vs. Resistance RR
280 m
260 m
240 m
220 m
200 m
180 m
160 m
140 m
120 m
100 m
80 m
Ta = 25°C
VCC = 12 V
VOUT = 5 V typ
CR = 0.22 µF
CR = 0.1 µF
60 m
40 m
20 m
CR = 0.047 µF
300 k 500 k
Resistance RR (Ω)
0
100 k
200 k
19
HA16103 FPJ/FPK
Package Dimensions
Unit: mm
12.6
13 Max
11
10
20
1
+ 0.20
7.80
– 0.30
0.80 Max
1.15
0° – 8°
1.27
0.70 ± 0.20
*0.42 ± 0.08
0.40 ± 0.06
0.15
0.12 M
Hitachi Code
JEDEC
FP-20DA
—
EIAJ
Conforms
0.31 g
*Dimension including the plating thickness
Base material dimension
Mass (reference value)
20
HA16103 FPJ/FPK
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,
copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party’s rights, including
intellectual property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-
safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without
written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor
products.
Hitachi, Ltd.
Semiconductor & Integrated Circuits.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
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Asia (Taiwan)
: http://www.has.hitachi.com.sg/grp3/sicd/index.htm
: http://www.hitachi.com.tw/E/Product/SICD_Frame.htm
Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm
Japan
: http://www.hitachi.co.jp/Sicd/indx.htm
For further information write to:
Hitachi Semiconductor
(America) Inc.
Hitachi Europe GmbH
Hitachi Asia (Hong Kong) Ltd.
Group III (Electronic Components)
7/F., North Tower, World Finance Centre,
Harbour City, Canton Road, Tsim Sha Tsui,
Kowloon, Hong Kong
Tel: <852> (2) 735 9218
Fax: <852> (2) 730 0281
Hitachi Asia Pte. Ltd.
16 Collyer Quay #20-00
Hitachi Tower
Singapore 049318
Tel: 535-2100
Electronic components Group
Dornacher Straβe 3
D-85622 Feldkirchen, Munich
Germany
Tel: <49> (89) 9 9180-0
Fax: <49> (89) 9 29 30 00
179 East Tasman Drive,
San Jose,CA 95134
Tel: <1> (408) 433-1990
Fax: <1>(408) 433-0223
Fax: 535-1533
Hitachi Asia Ltd.
Taipei Branch Office
3F, Hung Kuo Building. No.167,
Tun-Hwa North Road, Taipei (105)
Tel: <886> (2) 2718-3666
Fax: <886> (2) 2718-8180
Telex: 40815 HITEC HX
Hitachi Europe Ltd.
Electronic Components Group.
Whitebrook Park
Lower Cookham Road
Maidenhead
Berkshire SL6 8YA, United Kingdom
Tel: <44> (1628) 585000
Fax: <44> (1628) 778322
Copyright ' Hitachi, Ltd., 1998. All rights reserved. Printed in Japan.
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