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4518 Datasheet(PDF) 148 Page - Renesas Technology Corp

Part # 4518
Description  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PDF  160 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4518 Datasheet(HTML) 148 Page - Renesas Technology Corp

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Rev.3.01
2005.06.15
page 148 of 157
REJ03B0008-0301
4518 Group
f(XIN)
f(XIN)
f(XIN)
Oscillation frequency
(with a ceramic resonator)
Oscillation frequency
(at RC oscillation) (Note)
Oscillation frequency
(with a ceramic resonator selected,
external clock input)
Conditions
MHz
MHz
MHz
Max.
6.0
4.4
2.2
1.1
6.0
4.4
2.2
6.0
4.4
6.0
4.4
2.2
6.0
4.4
6.0
4.4
4.8
3.2
1.6
0.8
4.8
3.2
1.6
4.8
3.2
4.8
3.2
1.6
4.8
3.2
4.8
Limits
Mask ROM
version
One Time PROM
version
VDD = 2.7 to 5.5 V
Mask ROM
version
One Time PROM
version
Min.
Typ.
RECOMMENDED OPERATING CONDITIONS 2
(Mask ROM version: Ta = –20 °C to 85 °C, VDD = 1.8 to 5.5 V, unless otherwise noted)
(One Time PROM version: Ta = –20 °C to 85 °C, VDD = 2.5 to 5.5 V, unless otherwise noted)
Parameter
Symbol
Unit
Note: The frequency is affected by a capacitor, a resistor and a microcomputer. So, set the constants within the range of the frequency limits.
<System clock (STCK) operating condition map>
VDD = 4.0 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.0 to 5.5 V
VDD = 1.8 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.0 to 5.5 V
VDD = 1.8 to 5.5 V
VDD = 2.0 to 5.5 V
VDD = 1.8 to 5.5 V
VDD = 4.0 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.5 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.5 to 5.5 V
VDD = 2.5 to 5.5 V
VDD = 4.0 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.0 to 5.5 V
VDD = 1.8 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.0 to 5.5 V
VDD = 1.8 to 5.5 V
VDD = 2.0 to 5.5 V
VDD = 1.8 to 5.5 V
VDD = 4.0 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.5 to 5.5 V
VDD = 2.7 to 5.5 V
VDD = 2.5 to 5.5 V
VDD = 2.5 to 5.5 V
Through mode
Frequency/2 mode
Frequency/4, 8 mode
Through mode
Frequency/2 mode
Frequency/4, 8 mode
Through mode
Frequency/2 mode
Frequency/4, 8 mode
Through mode
Frequency/2 mode
Frequency/4, 8 mode
6
4.4
2
(2.5)
2.7
4
1.8
5.5
VDD[V]
2.2
1.1
f(STCK)
[MHz]
3.2
4.8
2
(2.5)
2.7
4
1.8
5.5
VDD
1.6
0.8
When external clock is used
When RC oscillation is used
When ceramic resonance is used
f(STCK)
[MHz]
4.4
2.7
5.5
VDD[V]
f(STCK)
[MHz]
( ): One Time PROM version
Recommended
operating operation
Recommended
operating operation
Recommended
operating operation



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