Datasheet
www.ti.com
1
2 18
1Y1
1OE
1A1
4 16
1Y21A2
6 14
1Y3
1A3
8 12
1Y4
1A4
19
11 9
2Y1
2OE
2A1
13 7
2Y22A2
15 5
2Y3
2A3
17 3
2Y4
2A4
SN54LVCH244A , , SN74LVCH244A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCES009O – JULY 1995 – REVISED FEBRUARY 2007
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER TOP-SIDE MARKING
QFN – RGY Reel of 1000 SN74LVCH244ARGYR LCH244A
Tube of 25 SN74LVCH244ADW
SOIC – DW LVCH244A
Reel of 2000 SN74LVCH244ADWR
SOP – NS Reel of 2000 SN74LVCH244ANSR LVCH244A
SSOP – DB Reel of 2000 SN74LVCH244ADBR LCH244A
–40 ° C to 85 ° C
SSOP (QSOP) – DBQ Reel of 2500 SN74LVCH244ADBQR LVCH244A
Tube of 70 SN74LVCH244APW
TSSOP – PW Reel of 2000 SN74LVCH244APWR LCH244A
Reel of 250 SN74LVCH244APWT
TVSOP – DGV Reel of 2000 SN74LVCH244ADGVR LCH244A
CDIP – J Tube of 20 SNJ54LVCH244AJ SNJ54LVCH244AJ
–55 ° C to 125 ° C CFP – W Tube of 85 SNJ54LVCH244AW SNJ54LVCH244AW
LCCC – FK Tube of 55 SNJ54LVCH244AFK SNJ54LVCH244AFK
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
FUNCTION TABLE
(EACH BUFFER)
INPUTS
OUTPUT
Y
OE A
L H H
L L L
H X Z
LOGIC DIAGRAM (POSITIVE LOGIC)
2
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