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| 型号： | SN74CBTH3383DBLE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, 10-BIT EXCHANGER, TRUE OUTPUT, PDSO24 |
| 封装： | ssop-24 |
| 文件页数： | 1/5页 |
| 文件大小： | 79K |
| 代理商： | SN74CBTH3383DBLE |
SN74CBTH3383
10-BIT FET BUS-EXCHANGE SWITCH
WITH BUS HOLD
SCDS023G – MAY 1995 – REVISED OCTOBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Functionally Equivalent to QS3388
D 5- Switch Connection Between Two Ports
D TTL-Compatible Input Levels
D Bus Hold on Data Inputs/Outputs
Eliminates the Need for External
Pullup/Pulldown Resistors
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages
description
The
SN74CBTH3383
provides
ten
bits
of
high-speed TTL-compatible bus switching or
exchanging with bus hold on all I/Os. The low
on-state
resistance
of
the
switch
allows
connection to be made with minimal propagation
delay.
The device operates as a 10-bit bus switch or a 5-bit bus exchanger, which provides swapping of the A and B
pairs of signals. The bus-exchange function is selected when BE is low. The switches are open when BE is high.
Active bus-hold circuitry is provided to hold unused or floating data inputs/outputs at a valid logic level.
When the switch is turned off, the bus-hold circuit pulls all I/Os to VCC or to GND, depending on the last-known
state of the pin. The bus-hold feature is active only when the SN74CBTH3383 I/Os are in the high-impedance
state.
The SN74CBTH3383 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
INPUTS
INPUTS/OUTPUTS
FUNCTION
BE
BX
A1 PORT
A2 PORT
FUNCTION
L
B1 port
B2 port
A1 port = B1 port
A2 port = B2 port
L
H
B2 port
B1 port
A2 port = B2 port
A2 port = B1 port
H
X
Z
Disconnect
All ports = bus hold
PRODUCT
PREVIEW
BE
1B1
1A1
1A2
1B2
2B1
2A1
2A2
2B2
3B1
3A1
GND
DB, DW, OR PW PACKAGE
(TOP VIEW)
VCC
5B2
5A2
5A1
5B1
4B2
4A2
4A1
4B1
3B2
3A2
BX
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
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.
Copyright
1998, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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相关代理商/技术参数 |
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| SN74CBTK16245DGGR | 功能描述:数字总线开关 IC 16bit FET RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
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