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74LVTH16244ADGGRG4 View Datasheet(PDF) - Texas Instruments

Part Name74LVTH16244ADGGRG4 TI
Texas Instruments TI
Description3.3-V ABT 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS


74LVTH16244ADGGRG4 Datasheet PDF : 19 Pages
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SN54LVTH16244A, SN74LVTH16244A
3.3-V ABT 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS142T – MAY 1992 – REVISED NOVEMBER 2006
FUNCTION TABLE
(EACH 4-BIT BUFFER)
INPUTS
OE
A
L
H
L
L
H
X
OUTPUT
Y
H
L
Z
1
1OE
47
1A1
46
1A2
1A3 44
1A4 43
LOGIC DIAGRAM (POSITIVE LOGIC)
25
3OE
2
1Y1
36
3A1
3
1Y2
35
3A2
5 1Y3
3A3 33
6 1Y4
3A4 32
48
2OE
41
2A1
40
2A2
8
2Y1
9
2Y2
24
4OE
30
4A1
29
4A2
2A3 38
2A4 37
11 2Y3
12 2Y4
4A3 27
4A4 26
Pin numbers shown are for the DGG, DGV, DL, and WD packages.
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13
3Y1
14
3Y2
16 3Y3
17 3Y4
19
4Y1
20
4Y2
22 4Y3
23 4Y4
4
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DESCRIPTION/ORDERING INFORMATION
The 'LVTH16244A devices are 16-bit buffers and line drivers designed for low-voltage (3.3-V) VCC operation, but with the capability to provide a TTL interface to a 5-V system environment. These devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. These devices provide true outputs and symmetrical active-low output-enable (OE) inputs.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

FEATURES
• Members of the Texas Instruments Widebus™ Family
• State-of-the-Art Advanced BiCMOS
   Technology (ABT) Design for 3.3-V Operation and Low Static-Power Dissipation
• Support Mixed-Mode Signal Operation
   (5-V Input and Output Voltages With 3.3-V VCC)
• Support Unregulated Battery Operation Down to 2.7 V
• Typical VOLP (Output Ground Bounce)
   <0.8 V at VCC = 3.3 V, TA = 25°C
• Ioff and Power-Up 3-State Support Hot Insertion
• Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
• Latch-Up Performance Exceeds 500 mA Per JESD 17
• ESD Protection Exceeds JESD 22
   – 2000-V Human-Body Model (A114-A)
   – 200-V Machine Model (A115-A)

 

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