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IDT74FCT646CPB

更新时间： 2024-11-15 23:11:47

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
8页	95K
描述
FAST CMOS OCTAL TRANSCEIVER/REGISTER

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中文翻译

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IDT74FCT646CPB 数据手册

IDT54/74FCT646

IDT54/74FCT646A

IDT54/74FCT646C

FAST CMOS OCTAL

TRANSCEIVER/REGISTER

Integrated Device Technology, Inc.

FEATURES:

DESCRIPTION:

• IDT54/74FCT646 equivalent to FAST speed;

• IDT54/74FCT646A 30% faster than FAST

• IDT54/74FCT646C 40% faster than FAST

• Independent registers for A and B buses

• Multiplexed real-time and stored data

• IOL = 64mA (commercial) and 48mA (military)

• CMOS power levels (1mW typical static)

• TTL input and output level compatible

• CMOS output level compatible

• Available in 24-pin (300 mil) CERDIP, plastic DIP, SOIC,

CERPACK and 28-pin LCC

• Product available in Radiation Tolerant and Radiation

Enhanced Versions

The IDT54/74FCT646/A/C consists of a bus transceiver

with 3-state D-type flip-flops and control circuitry arranged for

multiplexed transmission of data directly from the data bus or

from the internal storage registers.

The IDT54/74FCT646/A/C utilizes the enable control (G)

and direction (DIR) pins to control the transceiver functions.

SAB and SBA control pins are provided to select either real

time or stored data transfer. The circuitry used for select

control will eliminate the typical decoding glitch that occurs in

a multiplexer during the transition between stored and real-

time data. A LOW input level selects real-time data and a

HIGH selects stored data.

Data on the A or B data bus or both can be stored in the

internal D flip flops by LOW-to-HIGH transitions at the

appropriate clock pins (CPAB or CPBA) regardless of the

select or enable control pins.

• Military product compliant to MIL-STD-883, Class B

FUNCTIONAL BLOCK DIAGRAM

DIR

CPBA

SBA

CPAB

SAB

1 OF 8 CHANNELS

B REG

A REG

2536 drw 01

TO 7 OTHER CHANNELS

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

FAST is a registered trademark of National Semiconductor Co.

MILITARY AND COMMERCIAL TEMPERATURE RANGES

MAY 1992

1992 Integrated Device Technology, Inc.

7.18

DSC-4626/2

12 3 4 5 6 7 8

中文翻译

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与IDT74FCT646CPB相关器件

型号	品牌	获取价格	描述	数据表
IDT74FCT646CSO	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/REGISTER
IDT74FCT646CSOB	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/REGISTER
IDT74FCT646CT	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT646CTD	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT646CTDB	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT646CTE	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT646CTEB	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT646CTJ	IDT	获取价格	Registered Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PQCC28, PLASTIC,
IDT74FCT646CTL	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
IDT74FCT646CTLB	IDT	获取价格	FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)

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