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參數資料
| 型號： | 935170710118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發器 |
| 英文描述： | LVT SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 5.30 MM, PLASTIC, MO-150, SOT-339-1, SSOP-20 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 111K |
| 代理商： | 935170710118 |
1.
General description
The 74LVT573 is a high-performance BiCMOS product designed for VCC operation at
3.3 V. This device is an octal transparent latch coupled to eight 3-state output buffers. The
two sections of the device are controlled independently by Latch Enable (LE) and Output
Enable (OE) control gates. The 74LVT573 has a broadside pinout conguration to
facilitate PC board layout and allow easy interface with microprocessors.
The data on the D inputs are transferred to the latch outputs when the Latch Enable (LE)
input is High. The latch remains transparent to the data inputs while LE is High, and stores
the data that is present one setup time before the High-to-Low enable transition.
The 3-state output buffers are designed to drive heavily loaded 3-state buses, MOS
memories, or MOS microprocessors. The active-Low Output Enable (OE) controls all
eight 3-state buffers independent of the latch operation.
When OE is Low, the latched or transparent data appears at the outputs. When OE is
High, the outputs are in the High-impedance “OFF” state, which means they will neither
drive nor load the bus.
2.
Features
I Inputs and outputs arranged for easy interfacing to microprocessors
I 3-state outputs for bus interfacing
I Common output enable control
I TTL input and output switching levels
I Input and output interface capability to systems at 5 V supply
I Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
I Live insertion and extraction permitted
I No bus current loading when output is tied to 5 V bus
I Power-up reset
I Power-up 3-state
I Latch-up protection
N JESD78 class II exceeds 500 mA
I ESD protection:
N HBM JESD22-A114E exceeds 2000 V
N MM JESD22-A115-A exceeds 200 V
I Specied from 40 °C to +85 °C
74LVT573
3.3 V octal D-type transparent latch; (3-state)
Rev. 04 — 15 September 2008
Product data sheet
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