MIC2551A-2.5 查看數據表（PDF） - Micrel

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MIC2551A-2.5

USB Transceiver

Micrel 

MIC2551A-2.5

Symbol

Parameter

Conditions

Min Typ

ESD Protection

IEC-1000-4-2 Air Discharge

10 pulses

±15

(D+, D-, VBUS

only)

Contact Discharge

10 pulses

±15

DC Electrical Characteristics (Transceiver) (Note 6)

Leakage Current

ILO

Hi-Z State Data Line Leakage

0V < VIN < 3.3V, SUS = 1

-10

(Suspend Mode)

Input Levels

VDI

Differential Input Sensitivity

|(D+) - (D-)|

VCM

Differential Common Mode Range Includes VDI range

VSE

Single-Ended Receiver Threshold

Receiver Hysteresis

0.2

0.8

0.8

200

Output Levels

VOL

Static Output Low

RL = 1.5kΩ to 3.6V

VOH

Static Output High

RL = 1.5kΩ to GND

2.8

Capacitance

CIN

Transceiver Capacitance

Pin to GND

ZRDV

Driver Output Resistance

Steady-state drive

AC Electrical Characteristics (Notes 5)

10

8

16

Driver Characteristics (Low Speed)

TR

Transition Rise Time

CL = 50pF, Figure 2

75

CL = 600pF

TF

Transition Fall Time

CL = 50pF, Figure 2

75

CL = 600pF

TR, TF

Rise/Fall Time Matching

(TR, TF)

80

VCRS

Output Signal Crossover Voltage

1.3

Driver Characteristics (Full Speed)

TR

Transition Rise Time

CL = 50pF, Figure 2

4

TF

Transition Fall Time

CL = 50pF, Figure 2

4

TR, TF

Rise/Fall Time Matching

(TR, TF)

90

VCRS

Output Signal Crossover Voltage

1.3

Transceiver Timing

tPVZ

OE# to RCVR Tri-State Delay

Figure 1

tPZD

Receiver Tri-State to Transmit

Figure 1

15

Delay

tPDZ

OE# to DRVR Tri-State Delay

Figure 1

tPZV

Driver Tri-State to Receiver Delay Figure 1

15

tPLH

VP, VM to D+, D- Propagation

Figure 4

tPHL

Delay

tPLH

tPHL

D+, D- to RCV Propagation Delay Figure 3

tPLH

D+, D- to VP, VM Propagation

Figure 3

tPHL

Delay

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, CON, RCV, VP, VM, OE#.

Note 5. All AC parameters guaranteed by design but not production tested.

Note 6. Specification for packaged product only.

Micrel, Inc.

Max Units

kV

kV

10

µA

V

2.5

V

2.0

V

mV

0.3

V

3.6

V

pF

24

Ω

ns

300

ns

300

125

%

2.0

V

20

ns

20

ns

111.11 %

2.0

V

15

ns

ns

15

ns

ns

15

ns

15

ns

8

ns

March 2010

5

M9999-030810

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