ADG3247 datasheet(8/12 Pages) AD

Il numero della parte	ADG3247

Spiegazioni elettronici	2.5 V/3.3 V, 16-Bit, 2-Port Level Translating, Bus Switch

PDF	12 Pages

Scroll/Zoom	100%

Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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8 / 12 page

PRELIMINARY TECHNICAL DATA

REV. PrD

ADG3247

–8–

VCC

VIN

VOUT

SW1

GND

OPEN

VCC

D.U.T.

PULSE

GENERATOR

NOTES

PULSE GENERATOR FOR ALL PULSES:

2.5ns,

tF 2.5ns,

FREQUENCY

10MHz.

CL INCLUDES BOARD, STRAY, AND LOAD CAPACITANCES.

RT IS THE TERMINATION RESISTOR, SHOULD BE EQUAL TO ZOUT

OF THE PULSE GENERATOR.

Figure 1. Load Circuit

SWITCH INPUT

PHL

OUTPUT

VIH

PLH

Figure 2. Propagation Delay

For the following load circuit and waveforms, the notation that is

used is VIN and VOUT where:

VV and V

OUT

Test Conditions

Symbol

VCC = 3.3 V

± 0.3 V (SEL = V

CC)

VCC = 2.5 V

± 0.2 V (SEL = V

CC)

VCC = 3.3 V

± 0.3 V (SEL = 0 V) Unit

500

Ω

V∆

300

150

1.5

0.9

ENABLE

DISABLE

CONTROL INPUT

BEx

VIN = 0V

VIN = VCC

VOUT

SW1 @ 2VCC

VOUT

SW1 @ GND

tPLZ

tPZH

tPHZ

tPZL

VCC

VH –V

VL + V

VCC

VINH

Figure 3. Enable and Disable Times

TIMING MEASUREMENT INFORMATION

Table III. Switch Position

TEST

tPLZ, tPZL

VCC

tPHZ, tPZH

GND

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