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SN74CB3Q3125DGVR データシート(PDF) 1 Page - Texas Instruments

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部品番号 SN74CB3Q3125DGVR
部品情報  QUADRUPLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

SN74CB3Q3125DGVR データシート(HTML) 1 Page - Texas Instruments

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FEATURES
DGV OR PW PACKAGE
(TOP VIEW)
NC - No internal connection
DBQ PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
1OE
1A
1B
2OE
2A
2B
GND
VCC
4OE
4A
4B
3OE
3A
3B
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1OE
1A
1B
2OE
2A
2B
GND
VCC
4OE
4A
4B
3OE
3A
3B
RGY PACKAGE
(TOP VIEW)
1
14
7
8
2
3
4
5
6
13
12
11
10
9
4OE
4A
4B
3OE
3A
1A
1B
2OE
2A
2B
DESCRIPTION/ORDERING INFORMATION
SN74CB3Q3125
QUADRUPLE FET BUS SWITCH
2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SCDS143B – OCTOBER 2003 – REVISED MARCH 2005
Data and Control Inputs Provide Undershoot
Clamp Diodes
High-Bandwidth Data Path (up to 500 MHz (1))
Low Power Consumption
5-V Tolerant I/Os With Device Powered Up or
(I
CC = 0.3 mA Typ)
Powered Down
V
CC Operating Range From 2.3 V to 3.6 V
Low and Flat ON-State Resistance (r
on)
Characteristics Over Operating Range
Data I/Os Support 0- to 5-V Signaling Levels
(r
on = 3 Ω Typ)
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
Rail-to-Rail Switching on Data I/O Ports
Control Inputs Can Be Driven by TTL or
5-V/3.3-V CMOS Outputs
– 0- to 5-V Switching With 3.3-V V
CC
I
off Supports Partial-Power-Down Mode
– 0- to 3.3-V Switching With 2.5-V V
CC
Operation
Bidirectional Data Flow With Near-Zero
Latch-Up Performance Exceeds 100 mA Per
Propagation Delay
JESD 78, Class II
Low Input/Output Capacitance Minimizes
ESD Performance Tested Per JESD 22
Loading and Signal Distortion
(C
io(OFF) = 4 pF Typ)
– 2000-V Human-Body Model
(A114-B, Class II)
Fast Switching Frequency (f
OE = 20 MHz Max)
– 1000-V Charged-Device Model (C101)
Supports Both Digital and Analog
(1)
For additional information regarding the performance
Applications: USB Interface, Differential
characteristics of the CB3Q family, refer to the TI application
Signal Interface, Bus Isolation, Low-Distortion
report, CBT-C, CB3T, and CB3Q Signal-Switch Families,
literature number SCDA008.
Signal Gating
The SN74CB3Q3125 is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of
the pass transistor, providing a low and flat ON-state resistance (ron). The low and flat ON-state resistance allows
for minimal propagation delay and supports rail-to-rail switching on the data input/output (I/O) ports. The device
also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus.
Specifically designed to support high-bandwidth applications, the SN74CB3Q3125 provides an optimized
interface solution ideally suited for broadband communications, networking, and data-intensive computing
systems.
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 © 2003–2005, 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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