FIN1027 Datasheet, PDF (4/12 Pages) Fairchild Semiconductor – 3.3V LVDS 2-Bit High Speed Differential Driver

AC Electrical Characteristics
Over supply voltage and operating temperature ranges, unless otherwise specified
Symbol
Parameter
Test Conditions
Min
Typ
Max
(Note 3)
Units
t_PLHD
Differential Propagation Delay
LOW-to-HIGH
0.5
1.5
ns
t_PHLD
Differential Propagation Delay
HIGH-to-LOW
0.5
1.5
ns
t_TLHD
Differential Output Rise Time (20% to 80%) R_L = 100 Ω, C_L = 10pF,
0.4
1.0
ns
t_THLD
Differential Output Fall Time (80% to 20%) See Figure 2 and Figure 3
0.4
1.0
ns
t_SK(P)
Pulse Skew |t_PLH - t_PHL|
0.5
ns
t_SK(LH),
t_SK(HL)
Channel-to-Channel Skew
(Note 4)
0.3
ns
t_SK(PP)
Part-to-Part Skew (Note 5)
1.0
ns
Note 3: All typical values are at T_A = 25°C and with V_CC = 3.3V.
Note 4: t_SK(LH), t_SK(HL) is the skew between specified outputs of a single device when the outputs have identical loads and are switching in the same direc-
tion.
Note 5: t_SK(PP) is the magnitude of the difference in propagation delay times between any specified terminals of two devices switching in the same direction
(either LOW-to-HIGH or HIGH-to-LOW) when both devices operate with the same supply voltage, same temperature, and have identical test circuits.
FIGURE 1. Differential Driver DC Test Circuit
Note A: All input pulses have frequency = 10 MHz, t_R or t_F = 2 ns
Note B: C_L includes all probe and fixture capacitances
FIGURE 2. Differential Driver Propagation Delay and
Transition Time Test Circuit
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FIGURE 3. AC Waveforms
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