參數(shù)資料
型號： SN74CB3Q3257RGYR
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： CB3Q/3VH/3C/2B SERIES, QUAD 1 LINE TO 2 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PQCC16
封裝： GREEN, PLASTIC, MO-241BB, QFN-16
文件頁數(shù)： 1/20頁
文件大?。?/td> 704K
代理商： SN74CB3Q3257RGYR
www.ti.com
FEATURES
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
2B1
2B2
2A
GND
VCC
OE
4B1
4B2
4A
3B1
3B2
3A
DBQ, DGV, OR PW PACKAGE
(TOP VIEW)
RGY PACKAGE
(TOP VIEW)
1
16
8
9
2
3
4
5
6
7
15
14
13
12
11
10
OE
4B1
4B2
4A
3B1
3B2
1B1
1B2
1A
2B1
2B2
2A
S
3A
V
GND
CC
DESCRIPTION/ORDERING INFORMATION
SN74CB3Q3257
4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER
2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SCDS135A – SEPTEMBER 2003 – REVISED MARCH 2005
Data and Control Inputs Provide Undershoot
Clamp Diodes
High-Bandwidth Data Path
(up to 500 MHz (1))
Low Power Consumption
(I
CC = 0.7 mA Typ)
5-V Tolerant I/Os With Device Powered Up or
Powered Down
V
CC Operating Range From 2.3 V to 3.6 V
Low and Flat ON-State Resistance (r
on)
Data I/Os Support 0- to 5-V Signaling Levels
Characteristics Over Operating Range
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
(r
on = 4 Typ)
Control Inputs Can Be Driven by TTL or
Rail-to-Rail Switching on Data I/O Ports
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
Operation
– 0- to 3.3-V Switching With 2.5-V V
CC
Latch-Up Performance Exceeds 100 mA Per
Bidirectional Data Flow With Near-Zero
JESD 78, Class II
Propagation Delay
ESD Performance Tested Per JESD 22
Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
– 2000-V Human-Body Model
(C
io(OFF) = 3.5 pF Typ)
(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
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RGY
Tape and reel
SN74CB3Q3257RGYR
BU257
SSOP (QSOP) – DBQ
Tape and reel
SN74CB3Q3257DBQR
BU257
–40
°C to 85°C
TSSOP – PW
Tape and reel
SN74CB3Q3257PWR
BU257
TVSOP – DGV
Tape and reel
SN74CB3Q3257DGVR
BU257
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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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