PI74AVC+16244
2.5V 16-Bit Buffer Driver
with 3-State Outputs
Product Features
Product Description
• PI74AVC+16244 is designed for low-voltage operation,
VCC = 1.65V to 3.6V
PI74AVC+16244 is a non-inverting 16-bit buffer/driver designed
for low-voltage 1.65V to 3.6V VCC operation.
• True ±24mA Balanced Drive @ 3.3V
The buffer/driver is designed specifically to improve both the
performance and density of 3-state memory address drivers, clock
drivers, and bus-oriented receivers and transmitters.
• Compatible with Philips and T.I. AVC Logic family
• IOFF supports partial power-down operation
The device can be used as four 4-bit buffers, two 8-bit buffers, or
one 16-bit buffer. It provides non-inverting outputs and symmetrical active-low output-enable (OE) inputs.
• 3.6V I/O Tolerant inputs and outputs
• All outputs contain a patented DDC
(Dynamic Drive Control) circuit that reduces noise without
degrading propagation delay
To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pullup resistor in which
the minimum value is determined by the current-sinking capability
of the driver.
• Industrial operation: –40°C to +85°C
• Packaging (Pb-free & Green available):
– 48-pin 240-mil wide plastic TSSOP
– 48-pin 173-mil wide plastic TVSOP
Logic Block Diagram
1OE
1A1
1A2
1A3
1A4
2OE
2A1
2A2
2A3
2A4
08-0291
1
3OE
47
2
46
3
44
5
43
6
1Y1
3A1
1Y2
3A2
1Y3
3A3
1Y4
3A4
48
4OE
41
8 2Y1
40
9
38
11
37
12
4A1
2Y2
4A2
2Y3
4A3
2Y4
4A4
1
25
36
13
35
14
33
16
32
17
3Y1
3Y2
3Y3
3Y4
24
30
19
29
20
27
22
26
23
4Y1
4Y2
4Y3
4Y4
PS8507C
11/06/08
PI74AVC+16244
2.5V 16-Bit Buffer Driver
with 3-State Outputs
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Maximum Ratings
(Above which the useful life may be impaired.
For user guidelines, not tested.)
Product Pin Description
Pin Name
Supply voltage range, VCC .............................. –0.5V to +4.6V
Input voltage range, VI .................................... –0.5V to +4.6V
Voltage range applied to any output in the
high-impedance or power-off state, VO(1) ........ –0.5V to +4.6V
Voltage range applied to any output in the
high or low state, VO(1,2) ............................ –0.5V to VCC +0.5V
Input clamp current, IIK (VI
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