May 2004

5

M9999-051004

MIC2551A

Micrel

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Leakage Current

I

LO

Hi-Z State Data Line Leakage

0V < V

–10

10

µA

(Suspend Mode)

Input Levels

V

DI

Differential Input Sensitivity

|(D+) – (D–)|

0.2

V

V

CM

Differential Common Mode Range

Includes V

0.8

2.5

V

V

SE

Single-Ended Receiver Threshold

0.8

2.0

V

Receiver Hysteresis

200

mV

Output Levels

V

OL

Static Output Low

R

0.3

V

V

OH

Static Output High

R

2.8

3.6

V

Capacitance

C

IN

Transceiver Capacitance

Pin to GND

10

pF

Z

DRV

Driver Output Resistance

Steady state drive

8

16

24

Ω

Driver Characteristics (Low Speed)

T

R

Transition Rise Time

C

75

ns

C

300

T

F

Transition Fall Time

C

75

ns

C

300

T

Rise/Fall Time Matching

(T

80

125

%

V

CRS

Output Signal Crossover Voltage

1.3

2.0

V

Driver Characteristics (Full Speed)

T

R

Transition Rise Time

C

4

20

ns

T

F

Transition Fall Time

C

4

20

ns

T

Rise/Fall Time Matching

(T

90

111.11

%

V

CRS

Output Signal Crossover Voltage

1.3

2.0

V

Transceiver Timing

t

PVZ

OE# to RCVR Tri-State Delay

Figure 1

15

ns

t

PZD

Receiver Tri-State to Transmit Delay

Figure 1

15

ns

t

PDZ

OE# to DRVR Tri-State Delay

Figure 1

15

ns

t

PZV

Driver Tri-State to Receive Delay

Figure 1

15

ns

t

PLH

VP, VM to D+, D– Propagation Delay

Figure 4

15

ns

t

PHL

t

PLH

D+, D– to RCV Propagation Delay

Figure 3

15

ns

t

PHL

t

PLH

D+, D– to V

Figure 3

8

ns

t

PHL

Note 1.

Exceeding the absolute maximum rating may damage the device.

Note 2.

The device is not guaranteed to function outside its operating rating.

Note 3.

Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

Note 4.

Specification applies to the following pins: SUS, SPD, RCV, CON, RCV, VP, VM, OE#.

Note 5.

Characterized specification(s), but not production tested.

Note 6.

All AC parameters guaranteed by design but not production tested.

Note 7.

Specification for packaged product only.