參數(shù)資料
型號(hào)： HCD404084
廠商： Hitachi,Ltd.
英文描述： Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī))
中文描述： 低電壓如同在微機(jī)芯片的A / D轉(zhuǎn)換器（帶片上的A / D轉(zhuǎn)換器的低壓微計(jì)算機(jī)）
文件頁數(shù)： 143/162頁
文件大小： 482K
代理商： HCD404084
HD404374/HD404384/HD404389/HD404082/HD404084 Series
143
AC Characteristics DC Characteristics (HD404372, HD40A4372, HD40C4372, HD404374,
HD40A4374, HD40C4374, HD404382, HD40A4382, HD40C4382, HD404384, HD40A4384,
HD40C4384, HD404388, HD40A4388, HD40C4388, HD404389, HD40A4389, HD40C4389,
HD404081, HD40A4081, HD40C4081, HD404082, HD40A4082, HD40C4082, HD404084,
HD40A4084, HD40C4084: V
CC
= 1.8 V to 5.5 V, GND = 0 V, T
a
= –20
°
C to +75
°
C; HCD404082,
HCD40C4082, HCD404084, HCD40C4084: V
CC
= 1.8 V to 5.5 V, GND = 0 V, T
a
= +75
°
C;
HD407A4374, HD407C4374, HD407A4384, HD407C4384, HD407A4389, HD407C4389: V
CC
= 2.0 V
to 5.5 V, GND = 0 V, T
a
= –40
°
C to +85
°
C, unless otherwise specified)
Item
Symbol
Pins
min.
typ.
max.
Unit
Test conditions
Notes
Clock oscillation
frequency
f
OSC
OSC
1
, OSC
2
0.4
—
4.5
MHz
Division by 4
1
0.4
—
8.5
1, 3
(ceramic oscillator,
crystal oscillator)
f
x
X1,X2
—
32.768 —
kHz
4
Clock oscillation
frequency
f
OSC
OSC
1
, OSC
2
0.5
2.0
3.5
MHz
Division by 4
Rf=20 k
2, 13
(Resistance oscillation)
0.5
2.2
3.5
2, 12
Instruction cycle time
t
cyc
0.89
—
10
μ
s
Division by 4
(external clock,
ceramic oscillator,
crystal oscillator)
0.47
—
10
3
t
subcyc
—
244.14 —
μ
s
32 kHz oscillator used,
division by 8
4
—
122.07 —
μ
s
32 kHz oscillator used,
division by 4
4
Instruction cycle time
(Resistance oscillation)
t
cyc
1.14
—
8.0
μ
s
Division by 4
Rf=20 k
5
Oscillation settling time
(external clock input)
t
RC
OSC
1
, OSC
2
—
—
7.5
ms
6
Oscillation settling time
(ceramic oscillator)
t
RC
OSC
1
, OSC
2
—
—
7.5
ms
V
CC
=2.0 to 5.5V
6
Oscillation settling
time(crystal oscillator)
t
RC
OSC
1
, OSC
2
—
—
30
ms
V
CC
=2.0 to 5.5V
6
X1,X2
—
—
2
s
T
a
=–10 to +60
°
C,
V
CC
=2.0 to 5.5V
4, 6
Oscillation setting time
(Resistance oscillation)
t
RC
OSC
1
, OSC
2
—
—
0.5
ms
Rf=20 k
V
CC
=2.0 to 5.5V
5, 6
External clock high-
level width
t
CPH
OSC
1
105
—
—
ns
f
OSC
=4MHz
7
52.5
f
OSC
=8MHz
3, 7
External clock low-
level width
t
CPL
OSC
1
105
—
—
ns
f
OSC
=4MHz
7
52.5
f
OSC
=8MHz
3, 7
External clock rise time t
CPr
OSC
1
—
—
20
ns
f
OSC
=4MHz
7
10
f
OSC
=8MHz
3, 7
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