74LVT574BQ

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74LVT574BQ 数据手册

74LVT574; 74LVTH574

3.3 V octal D-type ﬂip-ﬂop; 3-state

Rev. 04 — 11 September 2008

Product data sheet

1. General description

The 74LVT574; 74LVTH574 is a high-performance product designed for V_CCoperation at

3.3 V.

This device is an 8-bit, edge triggered register coupled to eight 3-state output buffers. The

two sections of the device are controlled independently by the clock (pin CP) and output

enable (pin OE) control gates. The state of each D input (one setup time before the

LOW-to-HIGH clock transition) is transferred to the corresponding ﬂip-ﬂops Q output.

The 3-state output buffers are designed to drive heavily loaded 3-state buses, MOS

memories, or MOS microprocessors.

The active LOW output enable (pin OE) controls all eight 3-state buffers independent of

the clock operation.

When pin OE is LOW, the stored data appears at the outputs. When pin 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 500mA

I ESD protection:

N HBM JESD22-A114E exceeds 2000 V

N MM JESD22-A115-A exceeds 200 V

I Speciﬁed from −40 °C to +85 °C

12 3 4 5 6 7...16

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型号	品牌	获取价格	描述	数据表
74LVT574D	NXP	获取价格	3.3V Octal D-type flip-flop 3-State
74LVT574D,112	NXP	获取价格	74LVT(H)574 - 3.3 V octal D-type flip-flop; 3-state SOP 20-Pin
74LVT574D,118	NXP	获取价格	74LVT(H)574 - 3.3 V octal D-type flip-flop; 3-state SOP 20-Pin
74LVT574DB	NXP	获取价格	3.3V Octal D-type flip-flop 3-State
74LVT574DB,112	NXP	获取价格	74LVT(H)574 - 3.3 V octal D-type flip-flop; 3-state SSOP2 20-Pin
74LVT574DB,118	NXP	获取价格	74LVT(H)574 - 3.3 V octal D-type flip-flop; 3-state SSOP2 20-Pin
74LVT574DB-T	NXP	获取价格	IC LVT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 5.30 MM, PLASTIC, MO-150, SOT339-1, SSOP
74LVT574D-T	NXP	获取价格	IC LVT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 7.50 MM, PLASTIC, MS-013, SOT163-1, SOP-
74LVT574MSA	FAIRCHILD	获取价格	Low Voltage Octal D-Type Flip-Flop with 3-STATE Outputs
74LVT574MSA	ROCHESTER	获取价格	LVT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 5.30 MM, MO-150, SSOP-20