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NXP Semiconductors |
INTEGRATED CIRCUITS
DATA SHEET
74AVC16245
16-bit transceiver with direction pin;
3-state (3.6 V tolerant)
Product specification
Supersedes data of 1998 Dec 11
File under Integrated Circuits, IC24
1999 Nov 15
Philips Semiconductors
16-bit transceiver with direction pin; 3-state
(3.6 V tolerant)
Product specification
74AVC16245
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 output impedance, resulting in noise reduction
without speed degradation
• Low inductance multiple power and ground pins for
minimum noise and ground bounce
• Power off disables outputs, permitting live insertion.
DESCRIPTION
The 74AVC16245 is a 16-bit transceiver featuring
non-inverting 3-state bus compatible outputs in both send
and receive directions.
The 74AVC16245 features two output enable inputs (nOE)
for easy cascading and two send/receive inputs (nDIR) for
direction control. Input nOE controls the outputs so that the
buses are effectively isolated. This device can be used as
two 8-bit transceivers or one 16-bit transceiver.
This product 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, input nOE should be tied to VCC
through a pull-up resistor (live insertion).
A DCO circuitry is implemented to support termination line
drive during transient (see Figs 1 and 2).
handbook, h0alfpage
I OH
(mA)
1.8 V
−100
MNA506
2.5 V
−200
3.3 V
−300
01234
VOH (V)
300
handbook, halfpage
IOL
(mA)
200
3.3 V
2.5 V
100
1.8 V
MNA507
0
01234
VOL (V)
Fig.1 Output current as function of output voltage.
Fig.2 Output current as function of output voltage.
1999 Nov 15
2
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