HD3SS2522 Datasheet, PDF (8/25 Pages) Texas Instruments – USB Type-C SS MUX

HD3SS2522
SLLSEM6B – APRIL 2015 – REVISED AUGUST 2015
V_CC
50 O
Ax(p)
Bx/Cx(p)
50 O
Ax(n)
Bx/Cx(n)
SEL
Cx/Bx (p)
50%
50%
Cx/Bx (n)
Ax (p)
50%
50%
Ax (n)
t_P1
t_P2
Inter-pair skew
t_PD = Max(t_p1, t_p2)
t_SK(O) = Difference between t_PD for any two pairs of outputs
50 O
50 O
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Bx/Cx(p)
Ax(p)
Bx/Cx(n)
Ax(n)
t₁
t₂
t₃
t₄
DCx/DBx/DAx (p)
50%
Cx/Bx/Ax (n)
Cx/Bx/Ax (p)
t_SK(O)
Cx/Bx/Ax (n)
Intra-pair skew
t_SK(b-b) = 0.5 X |(t₄ J t₃) + (t₁ J t₂)|
(1) Measurements based on an ideal input with zero intra-pair skew on the input, i.e. the input at A to B/C or the input at
B/C to A
(2) Inter-pair skew is measured from lane to lane on the same channel, e.g. C0 to C1
(3) Intra-pair skew is defined as the relative difference from the p and n signals of a single lane
Figure 2. Propagation Delay and Skew
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