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CY74FCT16646TTSSOP

更新时间： 2024-11-14 05:31:03

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
9页	77K
描述
16-Bit Registered Transceivers

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Data sheet acquired from Cypress Semiconductor Corporation.

Data sheet modiﬁed to remove devices not offered.

CY74FCT16646T

CY74FCT162646T

SCCS060 - August 1994 - Revised March 2000

16-Bit Registered Transceivers

Features

Functional Description

• FCT-E speed at 3.8 ns

• Power-off disable outputs permits live insertion

• Edge-rate control circuitry for signiﬁcantly improved

noise characteristics

• Typical output skew < 250 ps

• ESD > 2000V

• TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)

packages

• Industrial temperature range of −40˚C to +85˚C

• V_CC= 5V ± 10%

The CY74FCT16646T and CY74FCT162646T 16-bit

transceivers are three-state, D-type registers, and control

circuitry arranged for multiplexed transmission of data directly

from the input bus or from the internal registers. Data on the A

or B bus will be clocked into the registers as the appropriate

clock pin goes to a HIGH logic level. Output Enable (OE) and

direction pins (DIR) are provided to control the transceiver

function. In the transceiver mode, data present at the high

impedance port may be stored in either the A or B register, or

in both. The select controls can multiplex stored and real-time

(transparent mode) data. The direction control determines

which bus will receive data when the Output Enable (OE) is

Active LOW. In the isolation mode (Output Enable (OE) HIGH),

A data may be stored in the B register and/or B data may be

stored in the A register. The output buffers are designed with

a power-off disable feature that allows live insertion of boards.

CY74FCT16646T Features:

• 64 mA sink current, 32 mA source current

• Typical V_OLP(ground bounce) <1.0V at V_CC= 5V,

T_A= 25˚C

The CY74FCT16646T is ideally suited for driving

high-capacitance loads and low-impedance backplanes.

CY74FCT162646T Features:

• Balanced 24 mA output drivers

• Reduced system switching noise

• Typical V_OLP(ground bounce) <0.6V at V_CC= 5V,

T_A= 25˚C

The CY74FCT162646T has 24-mA balanced output drivers

with current limiting resistors in the outputs. This reduces the

need for external terminating resistors and provides for

minimal undershoot and reduced ground bounce. The

CY74FCT162646T is ideal for driving transmission lines.

Logic Block Diagrams

DIR

CLKBA

SBA

CLKAB

CLKBA

SBA

CLKAB

SAB

B REG

2 1

A REG

1 1

FCT16646-2

TO 7 OTHER CHANNELS

FCT16646-1

TO 7 OTHER CHANNELS

12 3 4 5 6 7...9

中文翻译

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与CY74FCT16646TTSSOP相关器件

型号	品牌	获取价格	描述	数据表
CY74FCT16652	TI	获取价格	16-Bit Registered Transceivers
CY74FCT16652ATPVC	CYPRESS	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN
CY74FCT16652ATPVC	TI	获取价格	16-Bit Registered Transceivers
CY74FCT16652ATPVC/PVCT	TI	获取价格	16-Bit Registered Transceivers
CY74FCT16652ATPVCR	CYPRESS	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN
CY74FCT16652ATPVCT	CYPRESS	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN
CY74FCT16652ATPVCT	TI	获取价格	16-Bit Registered Transceivers
CY74FCT16652CTPVC	TI	获取价格	16-Bit Registered Transceivers
CY74FCT16652CTPVC/PVCT	TI	获取价格	16-Bit Registered Transceivers
CY74FCT16652CTPVCR	CYPRESS	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN

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