74VCXH16245DTR View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

74VCXH16245DTR

Low-Voltage 1.8/2.5/3.3V 16-Bit Transceiver With 3.6 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)

ON Semiconductor 

74VCXH16245

An, Bn

Bn, An

Vm

tPLH

Vm

Vm

tPHL

Vm

WAVEFORM 1 − PROPAGATION DELAYS

tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns

OEn, T/Rn

An, Bn

An, Bn

Vm

Vm

tPZH

tPHZ

Vm

tPZL

tPLZ

Vm

WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES

tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns

Figure 4. AC Waveforms

VIH

0V

VOH

VOL

VIH

0V

VOH

Vy

≈ 0V

≈ VCC

Vx

VOL

Symbol

VIH

Vm

Vx

Vy

PULSE

GENERATOR

3.3 V ±0.3 V

2.7 V

1.5 V

VOL + 0.3 V

VOH − 0.3 V

VCC

2.5V ±0.2 V

VCC

VCC/2

VOL + 0.15 V

VOH − 0.15 V

VCC

1.8 V ±0.15 V

VCC

VCC/2

VOL + 0.15 V

VOH − 0.15 V

DUT

RT

RL

CL

RL

6V or VCC × 2

OPEN

GND

TEST

SWITCH

tPLH, tPHL

tPZL, tPLZ

Open

6 V at VCC = 3.3 ±0.3 V;

VCC× 2 at VCC = 2.5 ±0.2 V; 1.8 V ±0.15 V

tPZH, tPHZ

GND

CL = 30pF or equivalent (Includes jig and probe capacitance)

RL = 500W or equivalent

RT = ZOUT of pulse generator (typically 50W)

Figure 5. Test Circuit

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