Octal Buffer/Driver
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SN74LVC2244A
SCAS572L – APRIL ...
Description
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SN74LVC2244A
SCAS572L – APRIL 1996 – REVISED JULY 2014
SN74LVC2244A Octal Buffer/Driver With 3-State Outputs
1 Features
1 Operates From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max tpd of 5.5 ns at 3.3 V Output Ports Have Equivalent 26-Ω Series
Resistors, So No External Resistors Are Required
Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C
Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC)
Ioff Supports Live Insertion, Partial-Power-Down Mode, and Back-Drive Protection
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
2 Applications
Wearable Health and Fitness Devices Network Switches Servers Tests and Measurements
3 Description
The SN74LVC2244A octal buffer/line driver is designed for 1.65-V to 3.6-V VCC operation.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SSOP (20)
7.20 mm × 5.30 mm
SSOP (20)
8.65 mm × 3.90 mm
SN74LVC2244A TVSOP (20)
5.00 mm × 4.40 mm
SOIC (20)
12.80 mm × 7.50 mm
TSSOP (20)
6.50 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
4 Simplified Schematic
1 1OE
19 2OE
2 1A1
18 1Y1
11 2A1
9 2Y...
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