SN74LVC244A_16 Datasheet, PDF (1/34 Pages) Texas Instruments – SN74LVC244A Octal Buffer or Driver With 3-State Outputs

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SN74LVC244A
SCAS414AA – NOVEMBER 1992 – REVISED JUNE 2016
SN74LVC244A Octal Buffer or Driver With 3-State Outputs
1 Features
•1 Operates From 1.65 V to 3.6 V
• Inputs Accept Voltages to 5.5 V
• Specified From –40°C to +85°C and
–40°C to +125°C
• Maximum t_pd of 5.9 ns at 3.3 V
• Typical V_OLP (Output Ground Bounce)
< 0.8 V at V_CC = 3.3 V, T_A = 25°C
• Typical V_OHV (Output V_OH Undershoot)
> 2 V at V_CC = 3.3 V, T_A = 25°C
• Supports Mixed-Mode Signal Operation on
All Ports (5-V Input or Output Voltage With
3.3-V V_CC)
• I_off Supports Live Insertion, Partial-Power-Down
Mode, and Back-Drive Protection
• Can Be Used as a Down Translator to Translate
Inputs From a Maximum of 5.5 V Down
to the V_CC Level
• Available in Ultra Small Logic QFN Package (0.5
mm Maximum Height)
• Latch-Up Performance Exceeds 250 mA Per
JESD 17
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model
– 1000-V Charged-Device Model
2 Applications
• Servers
• LED Displays
• Network Switches
• Telecom Infrastructure
• Motor Drivers
• I/O Expanders
3 Description
These octal bus buffers are designed for 1.65-V to
3.6-V VCC operation. The SN74LVC244A devices
are designed for asynchronous communication
between data buses.
PART NUMBER
SN74LVC244AN
SN74LVC244ANS
SN74LVC244ADB
SN74LVC244ADGV
SN74LVC244ADW
SN74LVC244ARGY
SN74LVC244AZQN
SN74LVC244APW
SN74LVC244ARWP
Device Information
PACKAGE
BODY SIZE (NOM)
PDIP (20)
25.40 mm × 6.35 mm
SO (20)
12.60 mm × 5.30 mm
SSOP (20)
7.50 mm × 5.30 mm
TVSOP (20)
5.00 mm × 4.40 mm
SOIC (20)
12.80 mm × 7.50 mm
VQFN (20)
4.50 mm × 3.50 mm
BGA (20)
3.00 mm × 4.00 mm
TSSOP (20)
6.50 mm × 4.40 mm
X1QFN (20)
2.50 mm × 3.30 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1
1OE
Simplified Schematic
19
2OE
2
1A1
18
1Y1
11
2A1
9
2Y1
4
1A2
16
1Y2
13
2A2
7
2Y2
6
1A3
14
1Y3
15
2A3
5
2Y3
8
1A4
12
1Y4
17
2A4
Pin numbers shown are for the DB, DGV, DW, N, NS, PW, and RGY packages.
3
2Y4
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.