SN74AVC2T872_1 Datasheet, PDF (11/18 Pages) Texas Instruments – VOLTAGE-LEVEL SHIFTER FOR IC-USB INTERFACE

SN74AVC2T872
www.ti.com........................................................................................................................................................................................... SCES710 – NOVEMBER 2008
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V_CCA = 3.3 V ± 0.3 V, PD_EN = 0 V (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V_CCB = 1.2 V
± 0.1 V
MIN MAX
V_CCB = 1.5 V V_CCB = 1.8 V V_CCB = 2.5 V
± 0.1 V
± 0.15 V
± 0.2 V
MIN MAX MIN MAX MIN MAX
V_CCB = 3.3 V
± 0.3 V
MIN MAX
UNIT
t_PLH
t_PHL
Propagation
t_PLH
delay
t_PHL
t_r
Output rise
time
D+(A) to D+(B)
or D–(A) to D–(B)
D+(B) to D+(A)
or D–(B) to D–(A)
15
0.6 11.3 0.4 9.2 0.3 6.8 0.3
5.6
ns
15
0.6 10.2 0.4 8.4 0.3 6.2 0.3
5.5
9
0.3 6.6 0.2 5.8 0.2 4.9 0.2
4.5
ns
9
0.3
7 0.2 6.2 0.2 5.3 0.2
4.9
14
10
10
10
10
ns
t_f
t_PHZ
t_PLZ
t_PHZ
t_PLZ
t_PZH
t_PZL
t_PZH
t_PZL
F_max
Output fall time
Disable time
DIR or DIR_POL D+(A) or D–(A)
DIR or DIR_POL D+(B) or D–(B)
Enable time⁽¹⁾
DIR or DIR_POL D+(A) or D–(A)
DIR or DIR_POL D+(B) or D–(B)
Max data rate
14
9
9
19
19
28
28
24
24
12
10
10
10
10
ns
1 6.6
1 6.5
1 6.1
1
5.8
ns
1 5.7
1 5.7
1 5.7
1
5.7
0.5 7.4 0.3 6.5 0.3 5.2 0.3
0.5 13.8 0.3 10.6 0.3
7 0.3
5.3
ns
6.4
20.4
16.4
11.9
14.4
12.7
10.4
10.9
ns
10.2
17
14.9
12.5
16.7
14.9
12.3
11.3
ns
11.3
12
12
12
12
Mbps
(1) The enable time is a calculated value derived using the formula shown in the enable times section.
Copyright © 2008, Texas Instruments Incorporated
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