SN65HVD255, SN65HVD256, SN65HVD257

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SLLSEA2D – DECEMBER 2011 – REVISED MAY 2015

7.5 Electrical Characteristics

Over recommended operating conditions, TA = –40°C to 125°C (unless otherwise noted). SN65HVD256 device VRXD = VCC.

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

SUPPLY CHARACTERISTICS

Normal Mode

See Figure 6, TXD = 0 V, RL = 50 Ω,

(Driving

60

85

CL = open, RCM = open, S = 0 V

Dominant)

Normal Mode

See Figure 6, TXD = 0 V, S = 0 V,

(Driving

CANH = –12 V, RL = open, CL = open,

130

180

Dominant – bus

RCM = open

fault)

5-V Supply

See Figure 6, TXD = 0 V,

Normal Mode

ICC

mA

current

(Driving

10

20

RL = open (no load),

Dominant)

CL = open, RCM = open, S = 0 V

See Figure 6, TXD = VCC, RL = 50 Ω,

Normal Mode

10

20

CL = open, RCM = open,

(Recessive)

S = 0 V

See Figure 6, TXD = VCC, RL = 50 Ω,

Silent Mode

2.5

5

CL = open, RCM = open, S = VCC

RXD Supply

current

IRXD

All modes

RXD Floating, TXD = 0 V

500

µA

(SN65HVD256

only)

Undervoltage detection on VCC for

UVVCC

3.5

4.45

V

protected mode

VHYS(UVVCC)

Hysteresis voltage on UVVCC

200

mV

Undervoltage detection on VRXD for

UVRXD

1.3

2.75

V

protected mode (SN65HVD256 only)

Hysteresis voltage on UVRXD

VHYS(UVRXD)

80

mV

(SN65HVD256 only)

S PIN (MODE SELECT INPUT)

VIH

HIGH-level input voltage

2

V

VIL

LOW-level input voltage

0.8

V

IIH

HIGH-level input leakage current

S = VCC = 5.5 V

7

100

µA

IIL

Low-level input leakage current

S = 0 V, VCC = 5.5 V

–1

0

1

µA

ILKG(OFF)

Unpowered leakage current

S = 5.5 V, VCC = 0 V, VRXD = 0 V

7

35

100

µA

TXD PIN (CAN TRANSMIT DATA INPUT)

VIH

HIGH level input voltage

2

V

VIL

LOW level input voltage

0.8

V

IIH

HIGH level input leakage current

TXD = VCC = 5.5 V

–2.5

0

1

µA

IIL

Low level input leakage current

TXD = 0 V, VCC = 5.5 V

–100

–25

–7

µA

ILKG(OFF)

Unpowered leakage current

TXD = 5.5 V, VCC = 0 V, VRXD = 0 V

–1

0

1

µA

CI

Input Capacitance

3.5

pF

RXD PIN (CAN RECEIVE DATA OUTPUT)

See Figure 7, IO = –2 mA. For devices with

VOH

HIGH level output voltage

0.8 × VCC

V

VRXD supply VOH = 0.8 × VRXD

VOL

LOW level output voltage

See Figure 7, IO = 2 mA

0.4

V

ILKG(OFF)

Unpowered leakage current

RXD = 5.5 V, VCC = 0 V, VRXD = 0 V

–1

0

1

µA

(1)

All typical values are at 25°C and supply voltages of VCC = 5 V and VRXD = 5 V, RL = 60 Ω.

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