74LVCH32244A 查看數據表（PDF） - NXP Semiconductors.

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74LVCH32244A

32-bit buffer/line driver; 5 V input/output tolerant; 3-state

NXP Semiconductors. 

NXP Semiconductors

74LVCH32244A

32-bit buffer/line driver; 5 V input/output tolerant; 3-state

VI

G

VCC

VO

DUT

RT

VEXT

RL

CL

RL

mna616

Fig 6.

Test data is given in Table 8. Definitions for test circuit:

RL = Load resistance.

CL = Load capacitance including jig and probe capacitance.

RT = Termination resistance should be equal to output impedance Zo of the pulse generator.

Load circuitry for switching times

Table 8. Test data

Supply voltage

1.2 V

1.65 V to 1.95 V

2.3 V to 2.7 V

2.7 V

3.0 V to 3.6 V

Input

VI

VCC

VCC

VCC

2.7 V

2.7 V

tr, tf

 2 ns

 2 ns

 2 ns

 2.5 ns

 2.5 ns

Load

CL

30 pF

30 pF

30 pF

50 pF

50 pF

RL

1 k

1 k

500 

500 

500 

VEXT

tPLH, tPHL

open

open

open

open

open

tPLZ, tPZL

2  VCC

2  VCC

2  VCC

2  VCC

2  VCC

tPHZ, tPZH

GND

GND

GND

GND

GND

74LVCH32244A

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 3 — 16 December 2011

© NXP B.V. 2011. All rights reserved.

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