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74AVCH16244 반도체 회로 부품 판매점

16-bit buffer/line driver; 3.6 V tolerant; 3-state



NXP Semiconductors 로고
NXP Semiconductors
74AVCH16244 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
DATA SHEET
74AVCH16244
16-bit buffer/line driver;
3.6 V tolerant; 3-state
Product Specification
File under Integrated Circuits, IC24
2000 Mar 07


74AVCH16244 데이터시트, 핀배열, 회로
Philips Semiconductors
16-bit buffer/line driver; 3.6 V tolerant;
3-state
Product Specification
74AVCH16244
FEATURES
Wide supply voltage range from 1.2 to 3.6 V
Complies with JEDEC standard no. 8-1A/5/7
CMOS low power consumption
Input/output tolerant up to 3.6 V
Dynamic Controlled Output (DCO) circuit dynamically
changes the output impedance, resulting in noise
reduction without speed degradation
Low inductance multiple VCC and GND pins to minimize
noise and ground bounce
Supports Live Insertion
All data inputs have bus-hold.
DESCRIPTION
The 74AVCH16244 is a 16-bit non-inverting buffer/line
driver with 3-state outputs. The device can be used as four
4-bit buffers, two 8-bit buffers or one 16-bit buffer.
The 3-state outputs are controlled by the output enable
inputs nOE. A HIGH on nOE causes the outputs to assume
a high impedance OFF-state.
The 74AVCH16244 is designed to have an extremely fast
propagation delay and a minimum amount of power
consumption.
To ensure the high-impedance output state during
power-up or power-down, nOE should be tied to VCC
through a pull-up resistor (Live Insertion).
A Dynamic Controlled Output (DCO) circuitry is
implemented to support termination line drive during
transient (see Figs 1 and 2).
The 74AVCH16244 has active bus-hold circuitry to hold
unused or floating data inputs at a valid logic level. This
feature eliminates the need for external pull-up or
pull-down resistors.
handbook, h0alfpage
I OH
(mA)
1.8 V
100
MNA506
2.5 V
200
3.3 V
300
01234
VOH (V)
Fig.1 Output voltage as a function of the
HIGH-level output current.
300
handbook, halfpage
IOL
(mA)
200
3.3 V
2.5 V
100
1.8 V
MNA507
0
01234
VOL (V)
Fig.2 Output voltage as a function of the
LOW-level output current.
2000 Mar 07
2




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74AVCH16244 driver

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