參數(shù)資料
型號: TB5D1MDR
廠商: Texas Instruments, Inc.
英文描述: QUAD DIFFERENTIAL PECL DRIVERS
中文描述: 四路差分PECL驅(qū)動
文件頁數(shù): 5/16頁
文件大?。?/td> 354K
代理商: TB5D1MDR
www.ti.com
SWITCHING CHARACTERISTICS, 3.3-V NOMINAL SUPPLY
over recommended operating conditions unless otherwise noted
TB5D1M, TB5D2H
SLLS579B–SEPTEMBER 2003–REVISED MAY 2004
typ
(1
)
parameter
test conditions
min
max
unit
t
P1
t
P2
t
P
t
PHZ
t
PLZ
t
PZH
t
PZL
t
skew1
t
shew2
t
skew(pp)
t
skew
t
TLH
t
THL
Propagation delay time, input high to output
(2)
Propagation delay time, input low to output
(2)
Capacitive delay
Propagation delay time, high-level-to-high-impedance output
Propagation delay time, low-level-to-high-impedance output
Propagation delay time, high-impedance-to-high-level output
Propagation delay time, high-impedance-to-low-level output
Output skew, |t
P1
- t
P2
|
Output skew, |t
PHH
- t
PHL
|, |t
PLH
- t
PLL
|
Part-to-part skew
(3)
Output skew, difference between drivers
(4)
Rise time (20% - 80%)
Fall time (80% - 20%)
1.2
1.2
0.01
3.5
3.5
0.03
12
12
12
12
0.3
1.2
C
= 5 pF, See Figure 1 and
Figure 4
ns
ns/pF
8
5
5
8
C
= 5 pF, See Figure 2 and
Figure 4
ns
0.15
0.15
0.1
C
= 5 pF, See Figure 1 and
Figure 4
ns
1
0.3
0.7
0.7
2
2
C
= 5 pF, See Figure 1 and
Figure 4
ns
(1)
(2)
(3)
All typical values are at 25
°
C and with a 3.3-V supply.
Parameters t
and t
are measured from the 1.5 V point of the input to the crossover point of the outputs (see Figure 1).
t
is the magnitude of the difference in differential propagation delay times, t
or t
, between any specified outputs of two devices
when both devices operate with the same supply voltage, at the same temperature, and have identical packages and test circuits.
t
skew
is the magnitude of the difference in differential skew t
skew1
between any specified outputs of a single device.
(4)
5
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