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參數(shù)資料
| 型號： | M74HC244B1R |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 200K |
| 代理商： | M74HC244B1R |
M74HC244
2/10
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
Z : High Impedance
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65
°C; derate to 300mW by 10mW/°C from 65°C to 85°C
RECOMMENDED OPERATING CONDITIONS
PIN No
SYMBOL
NAME AND FUNCTION
11G
Output Enable Input
2, 4, 6, 8
1A1 to 1A4
Data Inputs
9, 7, 5, 3
2Y1 to 2Y4
Data Outputs
11, 13, 15,
17
2A1 to 2A4
Data Inputs
18, 16, 14,
12
1Y1 to 1Y4
Data Outputs
19
2G
Output Enable Input
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUTS
OUTPUT
G
An
Yn
LL
L
LH
H
HX
Z
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Current
± 35
mA
ICC or IGND DC VCC or Ground Current
± 70
mA
PD
Power Dissipation
500(*)
mW
Tstg
Storage Temperature
-65 to +150
°C
TL
Lead Temperature (10 sec)
300
°C
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature
-55 to 125
°C
tr, tf
Input Rise and Fall Time
VCC = 2.0V
0 to 1000
ns
VCC = 4.5V
0 to 500
ns
VCC = 6.0V
0 to 400
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M74HC244B1R | 制造商:STMicroelectronics 功能描述:IC 74HC CMOS 74HC244 DIP20 6V |
| M74HC244C1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS |
| M74HC244DWP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 4-Bit Non-Inverting Buffer/Driver |
| M74HC244F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS |
| M74HC244FP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 4-Bit Non-Inverting Buffer/Driver |
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