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参数资料
| 型号： | HD74HC4518FPEL |
| 元件分类： | 计数器 |
| 英文描述： | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16 |
| 封装： | 5.50 X 10.06 MM, 1.27 MM PITCH, PLASTIC, SOP-16 |
| 文件页数： | 4/9页 |
| 文件大小： | 116K |
| 代理商： | HD74HC4518FPEL |
HD74HC4518, HD74HC4520
Rev.2.00, Mar 30, 2006 page 4 of 8
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
VIN, VOUT
–0.5 to VCC +0.5
V
Input / Output diode current
IIK, IOK
±20
mA
Output current
IOUT
±25
mA
VCC, GND current
ICC or IGND
±50
mA
Power dissipation
PT
500
mW
Storage temperature
Tstg
–65 to +150
°C
Note:
The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Unit
Conditions
Supply voltage
VCC
2 to 6
V
Input / Output voltage
VIN, VOUT
0 to VCC
V
Operating temperature
Ta
–40 to 85
°C
0 to 1000
VCC = 2.0 V
0 to 500
VCC = 4.5 V
Input rise / fall time
*1
tr, tf
0 to 400
ns
VCC = 6.0 V
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Ta = 25°C
Ta = –40 to+85°C
Item
Symbol VCC (V)
Min
Typ
Max
Min
Max
Unit
Test Conditions
2.0
1.5
—
1.5
—
4.5
3.15
—
3.15
—
VIH
6.0
4.2
—
4.2
—
V
2.0
—
0.5
—
0.5
4.5
—
1.35
—
1.35
Input voltage
VIL
6.0
—
1.8
—
1.8
V
2.0
1.9
2.0
—
1.9
—
4.5
4.4
4.5
—
4.4
—
6.0
5.9
6.0
—
5.9
—
IOH = –20 A
4.5
4.18
—
4.13
—
IOH = –4 mA
VOH
6.0
5.68
—
5.63
—
V
Vin = VIH or VIL
IOH = –5.2 mA
2.0
—
0.0
0.1
—
0.1
4.5
—
0.0
0.1
—
0.1
6.0
—
0.0
0.1
—
0.1
IOL = 20
A
4.5
—
0.26
—
0.33
IOH = 4 mA
Output voltage
VOL
6.0
—
0.26
—
0.33
V
Vin = VIH or VIL
IOH = 5.2 mA
Input current
Iin
6.0
—
±0.1
—
±1.0
A
Vin = VCC or GND
Quiescent supply
current
ICC
6.0
—
4.0
—
40
A
Vin = VCC or GND, Iout = 0
A
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