74ALVCH16373DT(2002) View Datasheet(PDF) - ON Semiconductor

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Description

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74ALVCH16373DT
(Rev.:2002)

Low-Voltage 16-Bit Transparent Latch with Bus Hold 1.8/2.5/3.3 V

ON Semiconductor 

74ALVCH16373

VIH

VIH

OEn

Vm

Vm

Dn

Vm

Vm

0V

0V

tPZH

On

tPHZ

Vm

VOH

Vy

LEn Vm

ts

tw

th

VIH

Vm

≈0V

0V

tPZL

tPLZ

tPLH, tPHL

VOH

≈ VCC

On

Vm

On

Vm

Vx

VOL

VOL

WAVEFORM 3 - LE to On PROPAGATION DELAYS, LE MINIMUM

WAVEFORM 2 - OUTPUT ENABLE AND DISABLE TIMES

PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES

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

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

Figure 5. AC Waveforms

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

2.5 V ±0.2 V

VCC

VCC/2

VOL + 0.15 V

VOH – 0.15 V

VCC

DUT

RT

CL

1.8 V ±0.15 V

VCC

VCC/2

VOL + 0.15 V

VOH – 0.15 V

6 V or VCC × 2

RL

OPEN

GND

RL

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

CL = 50 pF for VCC = 3.0 ± 0.3 V

RL = 500 W or equivalent

RT = ZOUT of pulse generator (typically 50 W)

GND

Figure 6. Test Circuit

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