參數(shù)資料
型號(hào)： SN74CB3T3245DWE4
廠商： Texas Instruments
文件頁(yè)數(shù)： 12/21頁(yè)
文件大?。?/td> 0K
描述： IC SWITCH BUS FET HS 20-SOIC
標(biāo)準(zhǔn)包裝： 25
系列： 74CB
類(lèi)型： FET 總線開(kāi)關(guān)
電路： 8 x 1:1
獨(dú)立電路： 1
輸出電流高，低： 32mA，64mA
電壓電源： 單電源
電源電壓： 2.3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 20-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 20-SOIC
包裝： 管件
SCDS136A – OCTOBER 2003 – REVISED AUGUST 2012
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
Figure 1. Typical DC Voltage Translation Characteristics
The SN74CB3T3245 is an 8-bit bus switch with a single ouput-enable (OE) input and a standard '245 pinout.
When OE is low, the 8-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data
flow between ports. When OE is high, the 8-bit bus switch is OFF, and a high-impedance state exists between
the A and B ports.
This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging
current will not backflow through the device when it is powered down. The device has isolation during power off.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
Tube
SN74CB3T3245DW
SOIC – DW
CB3T3245
Tape and reel
SN74CB3T3245DWR
SSOP (QSOP) – DBQ
Tape and reel
SN74CB3T3245DBQR
CB3T3245
–40°C to 85°C
Tube
SN74CB3T3245PW
TSSOP – PW
KS245
Tape and reel
SN74CB3T3245PWR
TVSOP – DGV
Tape and reel
SN74CB3T3245DGVR
KS245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Table 1. FUNCTION TABLE
INPUT
INPUT/OUTPUT
FUNCTION
OE
A
L
B
A port = B port
H
Z
Disconnect
2
Copyright 2003–2012, Texas Instruments Incorporated
Product Folder Links: SN74CB3T3245
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SN74CB3T3245DWRE4 功能描述:數(shù)字總線開(kāi)關(guān) IC 3.3-V ABT Octal Bus Trncvr W/3-St Otpt RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel
SN74CB3T3245DWRG4 功能描述:數(shù)字總線開(kāi)關(guān) IC 8B FET 2.5V 3.3V LO VLTG Bus Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel
SN74CB3T3245PW 功能描述:數(shù)字總線開(kāi)關(guān) IC 8-Bit FET 2.5/3.3V Lo-Vltg Bus Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel
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