74FCT16646TPVCG4

更新时间： 2024-02-15 06:02:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
15页	315K
描述
16-Bit Registered Transceivers

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74FCT16646TPVCG4 数据手册

Data sheet acquired from Cypress Semiconductor Corporation.

Data sheet modiﬁed to remove devices not offered.

CY74FCT16646T

CY74FCT162646T

SCCS060B - August 1994 - Revised September 2001

16-Bit Registered Transceivers

Features

Functional Description

• I_offsupports partial-power-down mode operation

• 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

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.

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

• V_CC= 5V ± 10%

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

This device is fully speciﬁed for partial-power-down

applications using I_off. The I_offcircuitry disables the outputs,

preventing damaging current backﬂow through the device

when it is powered down.

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 CY74FCT16646T is ideally suited for driving

high-capacitance loads and low-impedance backplanes.

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...15

中文翻译

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74FCT16646TPVCG4 替代型号

型号	品牌	替代类型	描述	数据表
CY74FCT16646CTPVCT	TI	功能相似	16-Bit Registered Transceivers
74FCT16646ATPVCG4	TI	功能相似	16-Bit Registered Transceivers

与74FCT16646TPVCG4相关器件

型号	品牌	获取价格	描述	数据表
74FCT16646TPVCTG4	TI	获取价格	16-Bit Registered Transceivers
74FCT16652ATPVCG4	TI	获取价格	16-Bit Registered Transceivers
74FCT16652ATPVCTG4	TI	获取价格	16-Bit Registered Transceivers
74FCT16652CTPVCG4	TI	获取价格	16-Bit Registered Transceivers
74FCT16652CTPVCTG4	TI	获取价格	16-Bit Registered Transceivers
74FCT16823CTPACTG4	TI	获取价格	18-Bit D-Type Flip-Flops with 3-State Outputs 56-TSSOP -40 to 85
74FCT16823CTPVCG4	TI	获取价格	18-Bit Registers
74FCT16823CTPVCTG4	TI	获取价格	18-Bit Registers
74FCT16827ATPVCTG4	TI	获取价格	FCT SERIES, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO56, 0.300 INCH, 0.635 MM PITCH, GREEN, PL
74FCT16827CTPACTG4	TI	获取价格	FCT SERIES, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO56, 0.240 INCH, 0.50 MM PITCH, GREEN, PLA

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