DS91M040_16 Datasheet, PDF (7/20 Pages) Texas Instruments – 125 MHz Quad M-LVDS Transceiver

DS91M040
www.ti.com
SNLS283M – FEBRUARY 2008 – REVISED APRIL 2013
Switching Characteristics^(1)(2)(3)
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Parameter
Conditions
DRIVER AC SPECIFICATIONS
t_PLH
t_PHL
t_SKD1
t_SKD2
t_SKD3
t_SKD4
t_TLH
t_THL
t_PZH
t_PZL
t_PLZ
Differential Propagation Delay Low to High
Differential Propagation Delay High to Low
Pulse Skew⁽⁴⁾⁽⁵⁾
Channel-to-Channel Skew⁽⁴⁾⁽⁶⁾
Part-to-Part Skew⁽⁴⁾⁽⁷⁾
Part-to-Part Skew⁽⁴⁾⁽⁸⁾
Rise Time⁽⁴⁾
Fall Time⁽⁴⁾
Enable Time (Z to Active High)
Enable Time (Z to Active Low )
Disable Time (Active Low to Z)
R_L = 50Ω, C_L = 5 pF,
C_D = 0.5 pF
Figure 7
Figure 8
R_L = 50Ω, C_L = 5 pF,
C_D = 0.5 pF
Figure 9
Figure 10
t_PHZ
Disable Time (Active High to Z)
RECEIVER AC SPECIFICATIONS
t_PLH
t_PHL
t_SKD1A
t_SKD1B
t_SKD2
t_SKD3
t_SKD4
t_TLH
t_THL
t_PZH
t_PZL
Propagation Delay Low to High
Propagation Delay High to Low
Pulse Skew (Receiver Type 1)⁽⁴⁾⁽⁵⁾
Pulse Skew (Receiver Type 2)⁽⁴⁾⁽⁵⁾
Channel-to-Channel Skew⁽⁴⁾⁽⁶⁾
Part-to-Part Skew⁽⁴⁾⁽⁷⁾
Part-to-Part Skew⁽⁸⁾
Rise Time⁽⁴⁾
Fall Time⁽⁴⁾
Enable Time (Z to Active High)
Enable Time (Z to Active Low)
C_L = 15 pF
Figure 11
Figure 12
Figure 13
R_L = 500Ω, C_L = 15 pF
Figure 14
Figure 15
t_PLZ
Disable Time (Active Low to Z)
t_PHZ
Disable Time (Active High to Z)
GENERIC AC SPECIFICATIONS
t_WKUP
Wake Up Time⁽⁴⁾
(Master Device Enable (MDE) time)
f_MAX
Maximum Operating Frequency⁽⁴⁾
Min Typ Max Units
1.5 3.3 5.5 ns
1.5 3.3 5.5 ns
30 125 ps
100 200 ps
0.8 1.6 ns
4
ns
1.2 2.0 3.0 ns
1.2 2.0 3.0 ns
7.5 11.5 ns
8.0 11.5 ns
7.0 11.5 ns
7.0 11.5 ns
1.5 3.0 4.5 ns
1.5 3.1 4.5 ns
55 325 ps
475 800 ps
60 300 ps
0.6 1.2 ns
3
ns
0.3 1.1 1.6 ns
0.3 0.65 1.6 ns
3
5.5 ns
3
5.5 ns
3.5 5.5 ns
3.5 5.5 ns
500 ms
125
MHz
(1) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as
otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and
are not ensured.
(2) Typical values represent most likely parametric norms for V_DD = +3.3V and T_A = +25°C, and at the Recommended Operation Conditions
at the time of product characterization and are not specified.
(3) C_L includes fixture capacitance and C_D includes probe capacitance.
(4) Specification is ensured by characterization and is not tested in production.
(5) t_SKD1, |t_PLHD − t_PHLD|, Pulse Skew, is the magnitude difference in differential propagation delay time between the positive going edge and
the negative going edge of the same channel.
(6) t_SKD2, Channel-to-Channel Skew, is the difference in propagation delay (t_PLHD or t_PHLD) among all output channels.
(7) t_SKD3, Part-to-Part Skew, is defined as the difference between the minimum and maximum differential propagation delays. This
specification applies to devices at the same V_DD and within 5°C of each other within the operating temperature range.
(8) t_SKD4, Part-to-Part Skew, is the differential channel-to-channel skew of any event between devices. This specification applies to devices
over recommended operating temperature and voltage ranges, and across process distribution. t_SKD4 is defined as |Max − Min|
differential propagation delay.
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