USS810 View Datasheet(PDF) - Agere -> LSI Corporation

Part Name

Description

Manufacturer

USS810

USB 2.0 Full-Speed/Low-Speed Transceiver

Agere -> LSI Corporation 

Data Sheet, Rev. 6

March 2006

USS810 USB 2.0

Full-Speed/Low-Speed Transceiver

9 Dynamic Characteristics (continued)

Table 10. Dynamic Characteristics: Analog I/O Pins (D+, D–)1 (continued)

Symbol

Parameter

Conditions

Min

Driver Timing (continued)

Low-Speed Mode (SPEED = 0)

tPLH Driver Propagation Delay:

OE = 0, CL = 50 pF; see

—

Low-to-High (VO, FSE0 to D+, D–) Figure 6.

tPHL Driver Propagation Delay:

OE = 0, CL = 50 pF; see

—

High-to-Low (VO, FSE0 to D+, D–) Figure 6.

tPHZ Tristate Output Disable: High-to-Off OE switching; see Figure 4. —

(OE to D+, D−)

tPLZ Tristate Output Disable: Low-to-Off OE switching; see Figure 4. —

(OE to D+, D−)

tPZH Tristate Output Enable: Off-to-High OE switching; see Figure 4. —

(OE to D+, D−)

tPZL Tristate Output Enable: Off-to-Low OE switching; see Figure

—

(OE to D+, D−)

4..

Receiver Timing (Full-Speed and Low-Speed Mode)

Differential Receiver

tPLH(dif) Propagation Delay; Low-to-High

See Figure 5..

—

(D+, D− to RCV)

tPHL(dif) Propagation Delay; High-to-Low

See Figure 5..

—

(D+, D− to RCV)

Single-Ended Receiver

tPLH(se) Propagation Delay; Low-to-High

See Figure 5..

—

(D+, D− to VP, VM)

tPHL(se) Propagation Delay; High-to-Low

See Figure 5..

—

(D+, D− to VP, VM)

Typical

—

—

—

—

—

—

—

—

—

—

Max

250

250

4

4

400

400

5

5

3

3

1. Test circuit: see Figure 7

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

.

VOH

t FRt,Rt LR

90%

t FFt,Ft LF

90%

VOL

10%

10%

MGS963

Figure 3. Rise and Fall Times

Agere Systems Inc.

9

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