ADF7021 datasheet(7/44 Pages) AD

Part #	ADF7021

Description	High Performance Narrowband ISM Transceiver IC

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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7 / 44 page

Preliminary Technical Data

ADF7021

Rev. PrI | Page 7 of 44

TIMING CHARACTERISTICS

VDD = 3 V ± 10%, VGND = 0 V, TA = 25°C, unless otherwise noted. Guaranteed by design, but not production tested.

Table 2.

Parameter

Limit at TMIN to TMAX

Unit

Test Conditions/Comments

<10

SDATA to SCLK setup time

<10

SDATA to SCLK hold time

<25

SCLK high duration

<25

SCLK low duration

<10

SCLK to SLE setup time

<20

SLE pulse width

<25

SCLK to SREAD data valid, readback

<25

SREAD hold time after SCLK, readback

t10

<10

SCLK to SLE disable time, readback

SCLK

SLE

DB31 (MSB)

DB30

DB2

DB1

(CONTROL BIT C2)

SDATA

DB0 (LSB)

(CONTROL BIT C1)

Figure 2. Serial Interface Timing Diagram

t10

RV16

RV15

RV2

RV1

SCLK

SDATA

SLE

SREAD

REG7 DB0

(CONTROL BIT C1)

Figure 3. Readback Timing Diagram

ADF7021 Datasheet(PDF) 7 Page - Analog Devices

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