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參數(shù)資料
| 型號： | SN74CBTLV3245DB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-VOLTAGE OCTAL FET BUS SWITCH |
| 中文描述： | 低壓八路FET總線開關 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 79K |
| 代理商： | SN74CBTLV3245DB |
SN74CBTLV3245
LOW-VOLTAGE OCTAL FET BUS SWITCH
SCDS034F – JULY 1997 – REVISED MAY 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Standard ’245-Type Pinout
5-
Switch Connection Between Two Ports
Isolation Under Power-Off Conditions
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Package Options Include Shrink
Small-Outline (DB), Thin Very Small-Outline
(DGV), Small-Outline (DW), and Thin Shrink
Small-Outline (PW) Packages
description
The SN74CBTLV3245 provides eight bits of
high-speed 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. When output enable (OE) is low, the 8-bit bus switch is on and
port A is connected to port B. When OE is high, the switch is open and a high-impedance state exists between
the two ports.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN74CBTLV3245 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
INPUT
OE
FUNCTION
L
A port = B port
H
Disconnect
logic diagram (positive logic)
A1
SW
B1
A8
OE
SW
B8
2
9
19
18
11
Copyright
1998, Texas Instruments Incorporated
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.
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
NC
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
DB, DGV, DW, OR PW PACKAGE
(TOP VIEW)
NC – No internal connection
相關PDF資料 |
PDF描述 |
|---|---|
| SN74CBTLV3245DGV | LOW-VOLTAGE OCTAL FET BUS SWITCH |
| SN74CBTLV3245PW | LOW-VOLTAGE OCTAL FET BUS SWITCH |
| SN74CBTLV3257DBQ | FF-SM Series, Type 3, Safety Mat, pressure sensitive, 750 x 500 mm2 [2.46 x 1.64 ft2] dimensions, aluminum coating |
| SN74CBTLV3257DGV | Plastic Fiber Connector - Gray Duplex Connector with Crimp Ring, RoHS Compliant |
| SN74CBTLV3383DBQ | LOW-VOLTAGE 10-BIT FET BUS-EXCHANGE SWITCH |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CBTLV3245DBR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74CBTLV3245DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74CBTLV3245DWR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74CBTLV3251D | 功能描述:多路器開關 IC Low-Volt 1-Of-8 FET Mltplxr/Demltplxr RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| SN74CBTLV3251DBQR | 功能描述:多路器開關 IC LV 1-of-8 FET RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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