
TC7USB221FT
2009-11-16
6
AC Test Circuit Load/Waveform
Figure 1 : Propagation Delay Time (tpLH, tpHL)
VOL
VOH
0.4 V
0.8 V
50%
tpLH
tpHL
Input
(D+, D-)
Output
(1D+, 1D-, 2D+, 2D+)
50%
Output
C
L
D+, D-
1D+, 1D-
Control
GND
2D+, 2D-
C
L
OE
S
H or L
VCC
Input
Figure 2 : Turn ON/Turn OFF (tON, tOFF)
Output
C
L
D+, D-
1D+, 1D-
Control
R
L
GND
2D+, 2D-
C
L
R
L
S,
OE
VCC
Input
VOL
VOH
0 V
1.8 V
50%
tON
tOFF
Input
(S or
OE )
Output
(1D+, 1D-, 2D+, 2D-)
90%
50%
90%