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IDT54FCT833BSOB

更新时间： 2024-11-07 22:39:39

品牌	Logo	应用领域
艾迪悌 - IDT		总线收发器
页数	文件大小	规格书
8页	75K
描述
FAST CMOS PARITY BUS TRANSCEIVER

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数据手册

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IDT54FCT833BSOB 数据手册

IDT54/74FCT833A

IDT54/74FCT833B

FAST CMOS

PARITY BUS

TRANSCEIVER

Integrated Device Technology, Inc.

FEATURES:

DESCRIPTION:

• Equivalent to AMD’s Am29833 bipolar parity bus

transceiver in pinout/function, speed and output drive

over full temperature and voltage supply extremes

• High-speed bidirectional bus transceiver for processor-

organized devices

The IDT54/74FCT833s are high-performance bus

transceivers designed for two-way communications. They

eachcontainan8-bitdatapathfromtheR(port)totheT(port),

an 8-bit data path from the T (port) to the R (port), and a 9-bit

parity checker/generator. The error flag can be clocked and

stored in a register and read at the ERR output. The clear

(CLR) input is used to clear the error flag register.

• IDT54/74FCT833A equivalent to Am29833A speed and

output drive

• IDT54/74FCT833B 30% faster than Am29833A

• Buffered direction and three-state controls

• Error flag with open-drain output

• IOL = 48mA (commercial) and 32mA (military)

• TTL input and output level compatible

• CMOS output level compatible

The output enables OE^Tand OER are used to force the

port outputs to the high-impedance state so that the device

can drive bus lines directly. In addition, OE^Rand OET can be

used to force a parity error by enabling both lines

simultaneously. This transmission of inverted parity gives the

designer more system diagnostic capability. The devices are

specified at 48mA and 32mA output sink current over the

commercial and military temperature ranges, respectively.

• Substantially lower input current levels than AMD’s

bipolar Am29800 series (5µA max.)

• Available in plastic DIP, CERDIP, LCC and SOIC

• Product available in Radiation Tolerant and Radiation

Enhanced versions

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

FUNCTIONAL BLOCK DIAGRAM

PARITY

MUX

9-BIT

PARITY TREE

ERR

CLR

CLK

CLR

2557 drw 01

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

MILITARY AND COMMERCIAL TEMPERATURE RANGES

MAY 1992

1992 Integrated Device Technology, Inc.

7.21

DSC-4621/2

12 3 4 5 6 7 8

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