Datasheet

SN65LVDS4
www.ti.com SLLSE15 –JULY 2011
RECEIVER SWITCHING CHARACTERISTICS
over recommended operating conditions, V
CC
= 2.5 V, V
ID
= 150 mV–600 mV, V
CM
= V
ID
/2 to V
CC
– V
ID
/2 V, 10 pF load
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
t
PLH
Propagation delay time, low-to-high-level output 2.5 3.3 ns
t
PHL
Propagation delay time, high-to-low-level output 2.5 3.3 ns
t
sk(p)
Pulse skew (|t
pHL
– t
pLH
|)
(2)
240 ps
C
L
= 10 pF,
V
DD
= 3.3 V 550
See Figure 3
t
r
Output signal rise time ps
V
DD
= 2.5 V 600
V
DD
= 3.3 V 550
t
f
Output signal fall time ps
V
DD
= 2.5 V 600
Carrier frequency = 122.8 MHz, input signal
amplitude = 500 mVpp sine wave, integration
t
jit
Residual jitter added 370 fs
bandwidth for rms jitter = 20 khz-20 MHz, VDD
= 2.5 V
(1) All typical values are at 25°C.
(2) t
sk(p)
is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
RECEIVER SWITCHING CHARACTERISTICS
over recommended operating conditions, V
CC
= 1.8 V, V
ID
= 150 mV–600 mV, V
CM
= V
ID
/2 to V
CC
– V
ID
/2 V, 10 pF load
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
t
PLH
Propagation delay time, low-to-high-level output 3.2 3.8 ns
t
PHL
Propagation delay time, high-to-low-level output 3.2 3.8 ns
t
sk(p)
Pulse skew (|t
pHL
– t
pLH
|)
(2)
240 ps
V
DD
= 3.3 V 550
C
L
= 10 pF,
t
r
Output signal rise time V
DD
= 2.5 V 600 ps
See Figure 3
V
DD
= 1.8 V 750
V
DD
= 3.3 V 550
t
f
Output signal fall time V
DD
= 2.5 V 600 ps
V
DD
= 1.8 V 750
Carrier frequency = 122.8 MHz, input signal
amplitude = 500 mVpp sine wave, integration
t
jit
Residual jitter added 370 fs
bandwidth for rms jitter = 20 khz-20 MHz, VDD
= 1.8 V
(1) All typical values are at 25°C.
(2) t
sk(p)
is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
Copyright © 2011, Texas Instruments Incorporated 5