參數(shù)資料
型號: 74CB3T3245DBQRG4
廠商: Texas Instruments
文件頁數(shù): 12/21頁
文件大?。?/td> 0K
描述: IC 8BIT FET BUS SWITCH 20-QSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: 74CB
類型: FET 總線開關(guān)
電路: 8 x 1:1
獨(dú)立電路: 1
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
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 20-SSOP/QSOP
包裝: 帶卷 (TR)
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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