参数资料
型号: MM74HCT245N
厂商: Fairchild Semiconductor
文件页数: 3/8页
文件大小: 0K
描述: IC TRANSCVR TRI-ST 8BIT 20DIP
标准包装: 18
系列: 74HCT
逻辑类型: 收发器,非反相
元件数: 1
每个元件的位元数: 8
输出电流高,低: 7.2mA,7.2mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 20-DIP(0.300",7.62mm)
供应商设备封装: 20-DIP
包装: 管件
3
www.fairchildsemi.com
MM74HCT245
Absolute Maximum Ratings(Note 1)
(Note 2)
Recommended Operating
Conditions
Note 1: Absolute Maximum Ratings are those values beyond which dam-
age to the device may occur.
Note 2: Unless otherwise specified all voltages are referenced to ground.
Note 3: Power Dissipation temperature derating — plastic “N” package:
12 mW/
qC from 65qC to 85qC.
DC Electrical Characteristics
(VCC 5V r 10%, unless otherwise specified.)
Note 4: Measured per input. All other inputs at VCC or ground.
Supply Voltage (VCC)
0.5 to 7.0V
DC Input Voltage (VIN)
1.5 to VCC 1.5V
DC Output Voltage (VOUT)
0.5 to VCC 0.5V
Clamp Diode Current (IIK, IOK)
r20 mA
DC Output Current,
r35 mA
DC VCC or GND Current, per pin (ICC)
r70 mA
Storage Temperature Range (TSTG)
65qC to 150qC
Power Dissipation (PD)
(Note 3)
600 mW
S.O. Package only
500 mW
Lead Temperature (TL)
(Soldering 10 seconds)
260
qC
Min
Max
Units
Supply Voltage (VCC)4.5
5.5
V
DC Input or Output Voltage
(VIN, VOUT)0
VCC
V
Operating Temperature Range (TA)
40
85
qC
Input Rise or Fall Times
(tr, tf)
500
ns
Symbol
Parameter
Conditions
TA 25qCTA 40 to 85qCTA 55 to 125qC
Units
Typ
Guaranteed Limits
VIH
Minimum HIGH Level
2.0
V
Input Voltage
VIL
Maximum LOW Level
0.8
V
Input Voltage
VOH
Minimum HIGH Level
VIN VIH or VIL
Output Voltage
|IOUT| 20 PAVCC
VCC 0.1
V
|IOUT| 6.0 mA, VCC 4.5V
4.2
3.98
3.84
3.7
V
|IOUT| 7.2 mA, VCC 5.5V
5.2
4.98
4.84
4.7
V
VOL
Maximum LOW Level
VIN VIH or VIL
Voltage
|IOUT| 20 PA0
0.1
V
|IOUT| 6.0 mA, VCC 4.5V
0.2
0.26
0.33
0.4
V
|IOUT| 7.2 mA, VCC 5.5V
0.2
0.26
0.33
0.4
V
IIN
Maximum Input
VIN VCC or GND,
r0.1
r1.0
PA
Current
VIH or VIL, Pin 1 or 19
IOZ
Maximum 3-STATE
VOUT VCC or GND
r0.5
r5.0
r10
PA
Output Leakage
G
VIH
Current
ICC
Maximum Quiescent
VIN VCC or GND
8
80
160
PA
Supply Current
IOUT 0 PA
VIN 2.4V or 0.5V (Note 4)
0.6
1.0
1.3
1.5
mA
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