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| 型号： | SN74CBT3345PW |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | Low Cost, Miniature Fiber Optic Transmitter with Metal ST Port |
| 中文描述： | 8位FET总线开关 |
| 文件页数： | 1/4页 |
| 文件大小： | 51K |
| 代理商： | SN74CBT3345PW |
SN74CBT3345
8-BIT FET BUS SWITCH
SCDS027D – MAY 1995 – REVISED MAY 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Standard ’245-Type Pinout
D 5- Switch Connection Between Two Ports
D TTL-Compatible Input Levels
D Package Options Include Plastic Shrink
Small-Outline (DB), Thin Very Small-Outline
(DGV), Small-Outline (DW), and Thin Shrink
Small-Outline (PW) Packages
description
The
SN74CBT3345
provides
eight
bits
of
high-speed TTL-compatible bus switching in a
standard ’245 device pinout. The low on-state
resistance of the switch allows connections to be
made with minimal propagation delay.
The device is organized as one 8-bit switch bank with dual output-enable (OE and OE) inputs. When OE is low
or OE is high, the switch is on and port A is connected to port B. When OE is high and OE is low, the switch is
open and a high-impedance state exists between the two ports.
The SN74CBT3345 is characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
INPUT
OE
FUNCTION
L
A port = B port
H
Disconnect
logic diagram (positive logic)
A1
A8
OE
B1
B8
OE
2
9
1
19
18
11
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
DB, DGV, DW, OR PW PACKAGE
(TOP VIEW)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74CBT3345PWE4 | 功能描述:数字总线开关 IC 8-BIT FET BUS SWITCH 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 |
| SN74CBT3345PWG4 | 功能描述:数字总线开关 IC 8B FETBus Switch 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 |
| SN74CBT3345PWR | 功能描述:数字总线开关 IC 8-Bit 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 |
| SN74CBT3345PWRE4 | 功能描述:数字总线开关 IC 8-BIT FET BUS SWITCH 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 |
| SN74CBT3345PWRG4 | 功能描述:数字总线开关 IC 8B FETBus Switch 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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