MCP25612FD datasheet(9/26 Pages) MICROCHIP

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DS20005409A-page 9

MCP25612FD

FIGURE 2-2:

Test Load Conditions.

TABLE 2-2:

AC ELECTRICAL SPECIFICATIONS

Electrical Characteristics:

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

VDDX = 4.5V to 5.5V, RLX = 60ΩCLX = 100 pF; unless otherwise specified.

Param.

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

1tBIT

Bit Time

0.125

—

69.44

µs

2fBIT

Bit Frequency

14.4

—

8000

kHz

3tTXDX-BUSON Delay TXDX Low to Bus Dominant

—

(Note 1)

4tTXDX-BUSOFF Delay TXDX High to Bus Recessive

—

(Note 1)

5tBUSON-RXDX Delay Bus Dominant to RXDX

—60

—

(Note 1)

6tBUSOFF-RXDX Delay Bus Recessive to RXDX

—65

—

(Note 1)

7tTXDX-RXDX Propagation Delay TXDX to RXDX

—90

120

—

120

180

RLX = 120Ω,

CLX = 200 pF (Note 1)

tBIT(RXDX),2M Recessive Bit Time on RXDX – 2 Mbps,

Loop Delay Symmetry

450

485

550

tBIT(TXDX) = 500 ns

(see Figure 2-10)

400

460

550

tBIT(TXDX) = 500 ns

(see Figure 2-10);

RLX = 120Ω,

CLX = 200 pF (Note 1)

tBIT(RXDX),5M Recessive Bit Time on RXDX – 5 Mbps,

Loop Delay Symmetry

160

185

220

tBIT(TXDX) = 200 ns

(see Figure 2-10)

tBIT(RXDX),8M Recessive Bit Time on RXDX – 8 Mbps,

Loop Delay Symmetry

105

140

tBIT(TXDX) = 120 ns

(see Figure 2-10)

(Note 1)

9tFLTR(WAKE) Delay Bus Dominant to RXDX

(Standby mode)

0.5

µs

Standby mode

tWAKE

Delay Standby to Normal Mode

µs

Negative edge on STBYx

tPDT

Permanent Dominant Detect Time

—

1.25

—

TXDX = 0V

tPDTR

Permanent Dominant Timer Reset

—

100

—

The shortest Recessive

pulse on TXDX or CAN

bus to reset Permanent

Dominant Timer

Note 1:

Characterized, not 100% tested.

VDDX/2

CLX

RLX

VSSX

CLX

RLX =464Ω

CLX = 50 pF for all digital pins

Load Condition 1

Load Condition 2

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