MAX13345E Maxim Integrated Products, MAX13345E Datasheet - Page 14

• Manufacturer Part Number: MAX13345E
• Description: (MAX13342E / MAX13345E) 3-Wire Interface Full Speed USB Transceivers
• Manufacturer: Maxim Integrated Products

3-Wire Interface Full-Speed USB Transceivers
With/Without Internal Series Resistors
Figure 7. Receiver Enable and Disable Timing
Figure 8. Load for Transmitter Propagation Delay, Enable Time,
Transmitter Rise/Fall Times
14
OE
DAT
DAT
SE0
SE0
______________________________________________________________________________________
DUT
t
t
t
LOAD FOR:
1) ENABLE TIME (D+/D-) MEASUREMENT
2) DAT/SEO TO D+/D- PROPAGATION DELAY
3) D+/D- RISE/FALL TIMES
t
PLZ_SE
PHZ_SE
PLZ_SE
PHZ_SE
D+/D-
FOR THE MAX13342E
31.6Ω
t
t
t
t
PZL_SE
PZH_SE
PZL_SE
15kΩ
D+ CONNECTED TO
GND, D- CONNECTED TO
+3.0V. DAT PULLED TO
V
PZH_SE
D+ CONNECTED TO
+3.0V, D- CONNECTED TO
GND. DAT PULLED TO
GND WITH 330Ω.
D+ CONNECTED TO
+3.0V, D- CONNECTED
TO GND. SE0 PULLED
TO V
D+ CONNECTED TO
GND, D- CONNECTED
TO GND. SE0 PULLED
TO GND WITH 330Ω.
L
WITH 330Ω.
L
WITH 330Ω.
POINT
TEST
50pF
Figure 9. Load for Disable Time Measurements
Figure 10. Load for Receiver Propagation Delay and Receiver
Rise/Fall Times
LOAD FOR:
1) D+/D- TO DAT/SEO PROPAGATION DELAYS
2) DAT/SEO RISE/FALL TIMES
DUT
DUT
NOTES:
1) V = 0 FOR t
2) V = V
D+/D-
TRM
DAT/SEO
FOR t
PHZ
FOR THE MAX13342E
PLZ
31.6Ω
POINT
TEST
POINT
TEST
50pF
220Ω
15pF
±