74LVCH322244A View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

74LVCH322244A

32-bit buffer/line driver; with 30 Ω series termination resistors; 5 V input/output tolerant; 3-state

Philips Electronics 

Philips Semiconductors

32-bit buffer/line driver; with 30 Ω series termination

resistors; 5 V input/output tolerant; 3-state

Product specification

74LVC322244A;

74LVCH322244A

AC CHARACTERISTICS

Ground = 0 V; tr = tf ≤ 2.5 ns; CL = 50 pF; RL = 500 Ω.

SYMBOL

tPHL/tPLH

tPZH/tPZL

tPHZ/tPLZ

PARAMETER

propagation delay

nAn to nYn

3-state output enable time

nOE to nYn

3-state output disable time

nOE to nYn

TEST CONDITIONS

WAVEFORMS

see Figs 4 and 6

see Figs 5 and 6

see Figs 5 and 6

VCC (V)

2.7

3.0 to 3.6

2.7

3.0 to 3.6

2.7

3.0 to 3.6

Tamb = −40 to +85 °C

MIN. TYP.(1) MAX.

1.5

−

7.3

1.5

2.9

6.3

1.5

−

8.1

1.5

3.4

7.1

1.5

−

6.0

1.5

2.8

5.0

UNIT

ns

ns

ns

Note

1. All typical values are measured at VCC = 3.3 V and Tamb = 25 °C.

AC WAVEFORMS

handbook, halfpage VI

nAn

INPUT

GND

VOH

nYn

OUTPUT

VOL

t PHL

VM

VM

t PLH

MNA474

VM = 1.5 V at VCC ≥ 2.7 V or

VM = 0.5 × VCC at VCC < 2.7 V.

VOL and VOH are typical output voltage drop that occur with the output load.

Fig.4 Input nAn to output nYn propagation delay times.

1999 Aug 31

8

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