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SN74CB3T1G125 데이터시트(PDF) 1 Page - Texas Instruments

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부품명 SN74CB3T1G125
상세설명  SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

SN74CB3T1G125 데이터시트(HTML) 1 Page - Texas Instruments

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FEATURES
Seemechanicaldrawingsfordimensions.
DBVPACKAGE
(TOP VIEW)
5
1
V
CC
OE
2
A
3
4
GND
B
DCKPACKAGE
(TOP VIEW)
2
A
3
4
GND
V
CC
5
OE
B
1
DESCRIPTION/ORDERING INFORMATION
SN74CB3T1G125
SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH
WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS150A – OCTOBER 2003 – REVISED SEPTEMBER 2006
Output Voltage Translation Tracks V
CC
Low Power Consumption
(I
CC = 20 µA Max)
Supports Mixed-Mode Signal Operation on All
Data I/O Ports
V
CC Operating Range From 2.3 V to 3.6 V
– 5-V Input Down to 3.3-V Output Level Shift
Data I/Os Support 0- to 5-V Signaling Levels
With 3.3-V V
CC
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
– 5-V/3.3-V Input Down to 2.5-V Output Level
Control Inputs Can Be Driven by TTL or
Shift With 2.5-V V
CC
5-V/3.3-V CMOS Outputs
5-V-Tolerant I/Os, With Device Powered Up or
I
off Supports Partial-Power-Down Mode
Powered Down
Operation
Bidirectional Data Flow With Near-Zero
Latch-Up Performance Exceeds 250 mA Per
Propagation Delay
JESD 17
Low ON-State Resistance (r
on) Characteristics
ESD Performance Tested Per JESD 22
(r
on = 5 Ω Typ)
– 2000-V Human-Body Model
Low Input/Output Capacitance Minimizes
(A114-B, Class II)
Loading (C
io(OFF) = 5 pF Typ)
– 1000-V Charged-Device Model (C101)
Data and Control Inputs Provide Undershoot
Supports Digital Applications: Level
Clamp Diodes
Translation, USB Interface, Bus Isolation
Ideal for Low-Power Portable Equipment
The SN74CB3T1G125 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron),
allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O
ports by providing voltage translation that tracks VCC. The SN74CB3T1G125 supports systems using 5-V TTL,
3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).
The SN74CB3T1G125 is a 1-bit bus switch with a single ouput-enable (OE) input. When OE is low, the 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 bus switch is OFF, and a high-impedance state exists between the A and B ports.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING(2)
SOT (SOT-23) – DBV
Reel of 3000
SN74CB3T1G125DBVR
W25_
–40
°C to 85°C
SOT (SC-70) – DCK
Reel of 3000
SN74CB3T1G125DCKR
WM_
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(2)
The actual top-side marking has one additional character that designates the assembly/test site.
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003–2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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