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參數資料
| 型號： | M74HC244B1R |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 總線收發器 |
| 英文描述： | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 200K |
| 代理商： | M74HC244B1R |
1/10
July 2001
s
HIGH SPEED:
tPD = 10ns (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC = 4A(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 6mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH tPHL
s
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 244
DESCRIPTION
The 74HC244 is an advanced high-speed CMOS
OCTAL BUS BUFFER (3-STATE) fabricated with
silicon gate C2MOS technology.
G control input governs four BUS BUFFERs.
This device is designed to be used with 3 state
memory address drivers, etc.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HC244
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (NON INVERTED)
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HC244B1R
SOP
M74HC244M1R
M74HC244RM13TR
TSSOP
M74HC244TTR
TSSOP
DIP
SOP
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| M74HC245-1FP | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| M74HC245B1N | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 |
| M54HC643F1 | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20 |
| M74HC640C1 | HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PQCC20 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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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