SN74CBTLV3251
LOW VOLTAGE 1 OF 8 FET MULTIPLEXER/DEMULTIPLEXER
SCDS054I 鈭?MARCH 1998 鈭?REVISED OCTOBER 2003
D
5-鈩?Switch Connection Between Two Ports
D
Rail-to-Rail Switching on Data I/O Ports
D
I
off
Supports Partial-Power-Down Mode
Operation
D, DBQ, DGV, OR PW PACKAGE
(TOP VIEW)
D
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
RGY PACKAGE
(TOP VIEW)
B4
B3
B2
B1
A
NC
OE
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
B5
B6
B7
B8
S0
S1
S2
B4
1
16
15
B5
14
B6
13
B7
12
B8
11
S0
10
S1
B3
B2
B1
A
NC
OE
2
3
4
5
6
7
8
9
NC 鈭?No internal connection
description/ordering information
The SN74CBTLV3251 device is a 1-of-8 high-speed FET multiplexer/demultiplexer. The low on-state resistance
of the switch allows connections to be made with minimal propagation delay.
The select inputs (S0, S1, S2) control the data flow. The FET multiplexers/demultiplexers are disabled when
the output-enable (OE) input is high.
This device is fully specified for partial-power-down applications using I
off
. The I
off
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 V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
QFN 鈭?RGY
SOIC 鈭?D
鈭?0擄C to 85擄C
SSOP (QSOP) 鈭?DBQ
TSSOP 鈭?PW
TVSOP 鈭?DGV
PACKAGE鈥?/div>
Tape and reel
Tube
Tape and reel
Tape and reel
Tape and reel
Tape and reel
ORDERABLE
PART NUMBER
SN74CBTLV3251RGYR
SN74CBTLV3251D
SN74CBTLV3251DR
SN74CBTLV3251DBQR
SN74CBTLV3251PWR
SN74CBTLV3251DGVR
CBTLV3251
CL251
CL251
CL251
TOP-SIDE
MARKING
CL251
鈥?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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
GND
Copyright
錚?/div>
2003, Texas Instruments Incorporated
S2
NC 鈭?No internal connection
V
CC
1
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