SP510E Datasheet, PDF (33/43 Pages) Exar Corporation – ULTRA HIGH SPEED MULTIPROTOCOL TRANSCEIVER

SP510E
REV. 1.0.1
ULTRA HIGH SPEED MULTIPROTOCOL TRANSCEIVER
FIGURE 33. DRIVER / RECEIVER TIMING TEST CIRCUIT
T_IN
B
A
f_IN (50% Duty Cycle, 2.5V_P-P)
C_L1
C_L2
B
R_OUT
A
15pF
FIGURE 34. DRIVER TIMING TEST LOAD CIRCUIT
Output
Under
Test _CL
500Ω
S₁
V_CC
S₂
FIGURE 35. RECEIVER TIMING TEST LOAD CIRCUIT
Receiver
Output
Test Point
1KΩ
S₁
V_CC
C_RL
1KΩ
S₂
FIGURE 36. DRIVER PROPAGATING DELAYS
DRIVER ^+3V
INPUT _0V
DRIVER
A
OUTPUT _B
DIFFERENTIAL V_O⁺
OUTPUT 0V
V_B – V_A ^VO^–
t_{SKEW = |} t_{DPLH -} t_{DPHL |}
f > 10MHz; t_R < 10ns; t_F < 10ns
1.5V
V_O ^1/2VO
t_PLH
t_PHL
1.5V
t_DPLH
t_DPHL
t_R
1/2V_O
t_F
33