MCP2561 datasheet(13/30 Pages) MICROCHIP

13 / 30 page

 2013 Microchip Technology Inc.

DS25167B-page 13

MCP2561/2

FIGURE 2-3:

TEST LOAD CONDITIONS

FIGURE 2-4:

TEST CIRCUIT FOR ELECTRICAL CHARACTERISTICS

2.3

AC Characteristics

Electrical Characteristics: Extended (E): TAMB = -40°C to +125°C and High (H): TAMB = -40°C to +150°C;

VDD = 4.5V to 5.5V, VIO = 1.8V to 5.5V (Note 2), RL = 60

; unless otherwise specified.

Param.

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

1tBIT

Bit Time

—

69.44

µs

2fBIT

Bit Frequency

14.4

—

1000

kHz

3tTXD-BUSON

Delay TXD Low to Bus Dominant

—

4tTXD-BUSOFF Delay TXD High to Bus Recessive

—

125

5tBUSON-RXD

Delay Bus Dominant to RXD

—

6tBUSOFF-RXD Delay Bus Recessive to RXD

——

110

7tTXD - RXD

Propagation Delay TXD to RXD

—

125

Negative edge on TXD

—

235

Positive edge on TXD

9tFLTR(WAKE)

Delay Bus Dominant to RXD

(Standby mode)

0.5

µs

Standby mode

tWAKE

Delay Standby

to Normal Mode

µs

Negative edge on STBY

tPDT

Permanent Dominant Detect Time

—

1.25

—

TXD = 0V

tPDTR

Permanent Dominant Timer Reset

—

100

—

The shortest recessive

pulse on TXD or CAN bus

to reset Permanent

Dominant Timer

VDD/2

VSS

RL =464



CL = 50 pF

for all digital pins

Load Condition 1

Load Condition 2

GND

RXD

SPLIT

TXD

100 pF

30 pF

CANH

CANL

CAN

Transceiver

0.1 µF

VDD

STBY

Note: On MCP2562, VIO is connected to VDD.

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