Datasheet > SN74CBT3390DWR

SN74CBT3390DWR

更新时间： 2024-10-01 09:48:23

品牌	Logo	应用领域
德州仪器 - TI		光电二极管
页数	文件大小	规格书
4页	276K
描述
CBT/FST/QS/5C/B SERIES, OCTAL MULTIPLEXER AND DEMUX/DECODER, PDSO28, SO-28

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SN74CBT3390DWR 数据手册

SN74CBT3390

8-BIT TO 16-BIT FET MULTIPLEXER/DEMULTIPLEXER BUS SWITCH

SCDS071 – JULY 1998

DL OR DW PACKAGE

5-Ω Switch Connection Between Two Ports

(TOP VIEW)

TTL-Compatible Input Levels

Package Options Include Plastic Shrink

Small-Outline (DL) and Small-Outline (DW)

Packages

1B1

2B1

1B2

2B2

1B3

2B3

1B4

2B4

1B8

2B8

1B7

2B7

1B6

2B6

1B5

2B5

description

The SN74CBT3390 is an 8-bit to 16-bit switch

used in applications in which two separate data

paths must be multiplexed onto, or demultiplexed

from, a single path. This device can be used for

memory interleaving, in which two different banks

of memory must be addressed simultaneously.

ThisalsocanbeusedtoconnectorisolatethePCI

bus to one or two slots simultaneously.

OE1

GND

OE2

Two output enables (OE1 and OE2) control the

data flow. When OE1 is low, A port is connected

to 1B port. When OE2 is low, A port is connected

to 2B port. When both OE1 and OE2 are low, the

A port is connected to both 1B and 2B ports. The

control inputs can be driven with a 5-V CMOS, 5-V

TTL, or an LVTTL driver.

The SN74CBT3390 is characterized for operation

from –40°C to 85°C.

FUNCTION TABLE

INPUTS

FUNCTION

OE1

OE2

A = 1B and A = 2B

A = 1B

A = 2B

Isolation

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.

3–75

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4

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