SX1211I084TRT(2007) Просмотр технического описания (PDF) - Semtech Corporation

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SX1211I084TRT
(Rev.:2007)

Lowest Power Integrated UHF Transceiver Short Range Devices

Semtech Corporation 

ADVANCED COMMUNICATIONS & SENSING

SX1211

2.4.5. Digital Specification

Conditions: Temp = 25 °C, VDD = 3.3 V, crystal freq uency = 12.8 MHz, unless otherwise specified.

Table 9: Digital Specification

Symbol

VIH

VIL

VOH

VOL

SCK_CONFIG

SCK_DATA

T_DATA

T_MOSI_C

T_MOSI_D

T_NSSC_L

T_NSSD_L

T_NSSC_H

T_NSSD_H

Description

Digital input level high

Digital input level low

Digital output level high

Digital output level low

SPI config clock frequency

SPI data clock frequency

DATA hold and setup time

MOSI setup time for SPI Config.

MOSI setup time for SPI Data.

NSS_CONFIG low to SCK rising edge.

SCK falling edge to NSS_CONFIG high.

NSS_DATA low to SCK rising edge.

SCK falling edge to NSS_DATA high.

NSS_CONFIG rising to falling edge.

NSS_DATA rising to falling edge.

Conditions

Imax=1mA

Imax=-1mA

Min

0.8*VDD

-

0.9*VDD

-

-

-

2

250

312

500

625

500

625

Typ

-

-

-

-

-

-

-

-

-

-

-

-

-

Max

-

0.2*VDD

-

0.1*VDD

2

1.6

-

-

-

-

Unit

V

V

V

V

MHz

MHz

µs

ns

ns

ns

-

ns

-

ns

-

ns

V3.0 – august 15th, 2007

Page 11 of 73

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