beautypg.com

Max3301e usb on-the-go transceiver and charge pump, Test circuits and timing diagrams (continued) – Rainbow Electronics MAX3301E User Manual

Page 11

background image

MAX3301E

USB On-the-Go Transceiver and Charge Pump

______________________________________________________________________________________

11

Test Circuits and Timing Diagrams (continued)

90%

10%

V

OH

V

OL

t

R

t

F

Figure 5. Rise and Fall Times

t

PLH

D+

D-

V

CRS_F

, V

CRS_L

V

OLD

V

OHD

V

CRS_F

, V

CRS_L

DAT_VP

SE0_VM

t

PHL

Figure 6. Timing of DAT_VP, SE0_VM to D+, D- in VP_VM
Mode (dat_se0 = 0)

t

PLH

D+

D-

V

CRS_F

, V

CRS_L

V

OLD

V

OHD

V

CRS_F

, V

CRS_L

DAT_VP

SE0_VM

t

PHL

Figure 7. Timing of DAT_VP, SE0_VM to D+/D- in DAT_SE0
Mode (dat_se0 = 1)

t

PDZ

D+ OR D-

V

OL

V

OLD

+ 0.3V

V

OHD

- 0.3V

V

OH

V

L

V

L

/ 2

V

L

/ 2

0V

t

PZD

OE/INT

Figure 8. Enable and Disable Timing

t

PHL

t

PHL

t

PLH

D+

D-

RCV

DAT_VP

SE0_VM

3V

0V

V

L

V

L

V

L

V

L

/ 2

V

L

/ 2

V

L

/ 2

0V

0V

0V

t

PLH

t

PLH

t

PHL

D+/D- RISE/FALL TIMES

≤ 8ns, V

L

= 1.8V, 2.5V, OR 3.3V

Figure 9. D+/D- to RCV, DAT_VP, SE0_VM Propagation Delays
(VP_VM Mode)

t

PHL

D+

D-

DAT_VP

SE0_VM

3V

0V

V

L

V

L

/ 2

0V

t

PLH

D+/D- RISE/FALL TIMES

≤ 8ns, V

L

= 1.8V, 2.5V, OR 3.3V

Figure 10. D+/D- to DAT_VP, SE0_VM Propagation Delays
(DAT_SE0 Mode)