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UPD754202 Datasheet(PDF) 46 Page - NEC

Part # UPD754202
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
PDF  66 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD754202 Datasheet(HTML) 46 Page - NEC

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46
µPD754202, 754202(A)
RECOMMENDED CIRCUIT CONSTANTS
Ceramic Resonator (TA = –20 to +80 ˚C)
Circuit constant (pF)
Oscillation voltage
Manufacturer
Product
Frequency
range (VDD)
Remark
(MHz)
C1
C2
MIN.(V)
MAX.(V)
Murata Mfg.
CSB1000JNote
1.0
100
100
2.0
6.0
Rd = 2.2 k
Ω
Co., Ltd.
CSA2.00MG040
2.0
100
100
–
CST2.00MG040
–
–
Capacitor incorporated
CSA4.00MG
4.0
30
30
–
CST4.00MGW
–
–
Capacitor incorporated
CSA4.00MGU
30
30
1.8
–
CST4.00MGWU
–
–
Capacitor incorporated
CSA4.19MG
4.19
30
30
2.0
–
CST4.19MGW
–
–
Capacitor incorporated
CSA4.19MGU
30
30
1.8
–
CST4.19MGWU
–
–
Capacitor incorporated
CSA6.00MG
6.0
30
30
2.9
–
CST6.00MGW
–
–
Capacitor incorporated
CSA6.00MGU
30
30
2.4
–
CST6.00MGWU
–
–
Capacitor incorporated
Kyocera Corp.
KBR-1000F/Y
1.0
100
100
1.8
6.0
–
KBR-2.0MS
2.0
68
68
2.0
KBR-4.19MKC
4.19
–
–
1.8
Capacitor incorporated
KBR-4.19MSB
33
33
–
PBRC4.19A
PBRC4.19B
–
–
Capacitor incorporated
KBR-6.0MKC
6.0
KBR-6.0MSB
33
33
–
PBRC6.00A
PBRC6.00B
–
–
Capacitor incorporated
Note
If using Murata’s CSB1000J (1.0 MHz) as the ceramic resonator, a limited resistor (Rd = 2.2 k
Ω) is required
(see figure below). If using any other recommended resonator, no limited resistor is needed.
X1
X2
C1
C2
Rd
CSB1000J
Caution The oscillation circuit constants and oscillation voltage range indicate conditions for stable
oscillation, but do not guarantee oscillation frequency accuracy.
If oscillation frequency
accuracy is required for actual circuits, it is necessary to adjust the oscillation frequency of the
resonator in the circuit. Please inquire directly to the maker of the resonator for data as needed.



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