參數(shù)資料
型號(hào): 933860310602
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: ALS SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 6/16頁
文件大?。?/td> 180K
代理商: 933860310602
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74ALS573B,
74ALS574A
74ALS573B,
74ALS574A
Information as of 2000-08-21
74ALS573B, 74ALS574A; Latch flip-flop
The 74ALS573B is an octal transparent latch coupled to eight 3-State output devices. The two sections of the device are controlled
independently by enable (E) and output enable (OE) control gates. The 74ALS573B is functionally identical to the 74ALS373 but has a
broadside pinout configuration to facilitate PC board layout and allow easy interface with microprocessors.
The data on the D inputs is transferred to the latch outputs when the enable (E) input is High. The latch remains transparent to the data
input while E is High, and stores the data that is present one setup time before the High-to-Low enable transition.
The 74ALS574A is functionally identical to the 74ALS374 but has a broadside pinout configuration to facilitate PC board layout and allow
easy interface with microprocessors.
It is an 8-bit edge triggered register coupled to eight 3-State output buffers. The two sections of the device are controlled independently by
clock (CP) and output enable (OE) control gates.
The register is fully edge triggered. The state of the D input, one setup time before the Low-to-High clock transition is transferred to the
corresponding flip-flop’s Q output.
The active-Low output enable (OE) controls all eight 3-State buffers independent of the latch operation. When OE is Low, latched or
transparent data appears at the output.
When OE is High, the outputs are in high impedance 'off' state, which means they will neither drive nor load the bus.
l
74ALS573B is broadside pinout version of 74ALS373
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74ALS574A is broadside pinout version of 74ALS374
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Inputs and outputs on opposite side of package allow easy interface to microprocessors
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相關(guān)PDF資料
PDF描述
933860790623 ALS SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20
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