DS92LV0421_15 Datasheet, PDF (13/48 Pages) Texas Instruments – 10 - 75 MHz Channel Link II Serializer/Deserializer with LVDS Parallel Interface

DS92LV0421, DS92LV0422
www.ti.com
SNLS325C – MAY 2010 – REVISED APRIL 2013
Switching Characteristics (continued)
Over recommended operating supply and temperature ranges unless otherwise specified.
Parameter
Test Conditions
Min
Typ
Max Units
DS92LV0422 LVCMOS OUTPUTS
t_CLH
Low to High Transition Time
t_CHL
High to Low Transition Time
C_L = 8 pF
LOCK pin,
PASS pin
10
15
ns
10
15
ns
t_PASS
BIST PASS Valid Time,
BISTEN = 1
PASS pin
10 MHz
220
230
ns
PASS pin
75 MHz
40
65
ns
DS92LV0422 SSCG MODE
t_DEV
Spread Spectrum Clocking Deviation
Frequency
TxCLKOUT = 10 – 65 MHz,
SSC[2:0] = ON
±0.5
±2
%
t_MOD
Spread Spectrum Clocking Modulation
Frequency
TxCLKOUT = 10 – 65 MHz,
SSC[2:0] = ON
8
100
kHz
Recommended Timing for the Serial Control Bus
Over recommended operating supply and temperature ranges unless otherwise specified. (See Figure 21)
Parameter
Test Conditions
Min
Typ
f_SCL
SCL Clock Frequency
Standard Mode
>0
Fast Mode
>0
t_LOW
SCL Low Period⁽¹⁾
Standard Mode
4.7
Fast Mode
1.3
t_HIGH SCL High Period⁽¹⁾
Standard Mode
4.0
Fast Mode
0.6
t_HD:STA Hold time for a START or a
Standard Mode
4.0
repeated START condition
Fast Mode
0.6
t_SU:STA Set Up time for a START or a
Standard Mode
4.7
repeated START condition
Fast Mode
0.6
t_HD:DAT Data Hold Time
Standard Mode
0
Fast Mode
0
t_SU:DAT Data Set Up Time
Standard Mode
250
Fast Mode
100
t_SU:STO Set Up Time for STOP
Standard Mode
4.0
Fast Mode
0.6
t_BUF
Bus Free Time between STOP
Standard Mode
4.7
and START
Fast Mode
1.3
t_r
SCL & SDA Rise Time
Standard Mode
Fast Mode
t_f
SCL & SDA Fall Time
Standard Mode
Fast Mode
(1) t_DPJ is the maximum amount the period is allowed to deviate over many samples.
Max
100
400
3.45
0.9
1000
300
300
300
Units
kHz
kHz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
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