CYRF7936-40LFXC

CYRF7936-40LFXC Datasheet


CYRF7936

Part Datasheet
CYRF7936-40LFXC CYRF7936-40LFXC CYRF7936-40LFXC (pdf)
PDF Datasheet Preview
CYRF7936

GHz CyFi Transceiver
• GHz Direct Sequence Spread Spectrum DSSS radio transceiver
• Operates in the unlicensed worldwide Industrial, Scientific, and Medical ISM band GHz
• 21 mA operating current Transmit at dBm
• Transmit power up to +4 dBm
• Receive sensitivity up to dBm
• Sleep Current <1 µA
• DSSS data rates up to 250 kbps, GFSK data rate of 1 Mbps
• Low external component count
• Auto Transaction Sequencer ATS - no MCU intervention
• Framing, Length, CRC16, and Auto ACK
• Power Management Unit PMU for MCU
• Fast startup and fast channel changes
• Separate 16 byte transmit and receive FIFOs
• Dynamic data rate reception
• Receive Signal Strength Indication RSSI
• Serial Peripheral Interface SPI control while in sleep mode
• 4 MHz SPI microcontroller interface
• Battery voltage monitoring circuitry
• Supports coin-cell operated applications
• Operating voltage from 1.8V to 3.6V
• Operating temperature from 0 to 70°C
• Space saving 40-pin QFN 6x6 mm package
• Wireless Sensor Networks
• Wireless Actuator Control
• Home Automation
• White Goods
• Commercial Building Automation
• Automatic Meter Readers
• Precision Agriculture
• Remote Controls
• Consumer Electronics
• Personal Health and Fitness
• Toys

Applications Support

See for development tools, reference designs, and application notes.

Logic Block Diagram

VREG VDD

VCC PACTL

L/D VBAT

IRQ SS# SCK MISO MOSI

PMU SPI

CyFi Radio Modem

Data Interface
and Sequencer

DSSS Baseband & Framer

RSSI

GFSK Modulator

GFSK Demodulator

Xtal Osc

Synthesizer

XTAL XOUT

RFP RFN RFBIAS
• San Jose, CA 95134-1709
• 408-943-2600
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CYRF7936

Pinouts

The CYRF7936 CyFi Transceiver is a Radio IC designed for low power embedded wireless applications. Combined with Cypress’s PSoC programmable system-on-chip and a CyFi network protocol stack, CYRF7936 can be used to implement a complete CyFi wireless system.

Figure Pin Diagram - CYRF7936 40-Pin QFN

Corner tabs

NC 31 NC 32 VIO 33 RST 34 VDD 35 NC 36 L/D 37 VBAT0 38 NC 39 VREG 40

XTAL 1 NC 2 VCC 3 NC 4 NC 5

VBAT1 6 VCC 7

VBAT2 8 NC 9

RFBIAS 10

CYRF7936 CyFi Transciever
40 lead QFN
* E- PAD Bottom Side
Ordering Information
Table Ordering Information

Radio

CYRF7936-40LFXC Transceiver

Package Name

Package Type

Operating Range
40 QFN
40 Quad Flat Package No Leads Pb-Free CYRF7936 Commercial

Package Description

Figure 40-Pin Pb-Free QFN 6 x 6 mm LY40

SOLDERABLE EXPOSED PAD

HATCH IS SOLDERABLE EXPOSED AREA

REFERENCE JEDEC# MO-220 PACKAGE WEIGHT 0.086g ALL DIMENSIONS ARE IN MM [MIN/MAX] PACKAGE CODE

PART # LF40A LY40A

DESCRIPTION STANDARD PB-FREE

SUBCON Punch Type PKG WITH 3.50X3.50 EPAD

UNLESS OTHERWISE SPECIFIED

ALL DIMENSIONS ARE IN INCHES [MILLIMETERS] STANDARD TOLERANCES ON:

DECIMALS .XX -+ .XXX -+
.XXXX -+

ANGLES -+

MATERIAL

DESIGNED BY

DRAWN CHK BY

APPROVED BY

APPROVED BY

DATE 07/10/08 DATE

SIZE

CYPRESS

COMPANY CONFIDENTIAL
40LD QFN 6 X 6MM PACKAGE OUTLINE

SUBCON PUNCH TYPE PKG w0it0h13.-510 2X 93.5107EP*AAD

DWG NO

SEE NOTES
001-12917 *A

The recommended dimension of the PCB pad size for the E-PAD underneath the QFN is mm x mm width x length .

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CYRF7936

Document History Page

Orig. of Change

Submission Date
More datasheets: FCAS50SN60 | RH31M-4/104370 | RH31M-4/104371 | RH31M-4/204988 | RH31M-6/104372 | RH31M-6/104373 | RH31M-6/204984 | RH31M-4/104369 | AT89C5131A-PLTUL | AT89C5131A-PLTIL


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Datasheet ID: CYRF7936-40LFXC 508225