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CDCV857B датащи(PDF) 5 Page - Texas Instruments

номер детали CDCV857B
подробное описание детали  2.5-V PHASE-LOCK LOOP CLOCK DRIVER
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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CDCV857B датащи(HTML) 5 Page - Texas Instruments

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CDCV857B, CDCV857BI
2.5-V PHASE-LOCK LOOP CLOCK DRIVER
SCAS689A − FEBRUARY 2003 − REVISED NOVEMBER 2010
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
MIN
TYP
MAX
UNIT
Supply voltage
VDDQ
2.3
2.7
V
Supply voltage
AVDD
VDDQ − 0.12
2.7
V
Low level input voltage V
CLK, CLK, FBIN, FBIN
VDDQ/2 – 0.18
V
Low-level input voltage, VIL
PWRDWN
−0.3
0.7
V
High level input voltage V
CLK, CLK, FBIN, FBIN
VDDQ/2 + 0.18
V
High-level input voltage, VIH
PWRDWN
1.7
VDDQ + 0.3
V
DC input signal voltage (see Note 5)
–0.3
VDDQ + 0.3
V
Differential input signal voltage V (see Note 6)
dc
CLK, FBIN
0.36
VDDQ + 0.6
V
Differential input signal voltage, VID (see Note 6)
ac
CLK, FBIN
0.7
VDDQ + 0.6
V
Input differential pair cross voltage, VIX (see Note 7)
VDDQ/2 – 0.2
VDDQ/2 + 0.2
V
High-level output current, IOH
−12
mA
Low-level output current, IOL
12
mA
Input slew rate, SR
1
4
V/ns
Operating free air temperature T
Commercial
0
85
°C
Operating free-air temperature, TA
Industrial
−40
85
°C
NOTES: 4. The unused inputs must be held high or low to prevent them from floating.
5. The dc input signal voltage specifies the allowable dc execution of the differential input.
6. The differential input signal voltage specifies the differential voltage |VTR − VCP| required for switching, where VTR is the true input
level and VCP is the complementary input level.
7. The differential cross-point voltage is expected to track variations of VCC and is the voltage at which the differential signals must
be crossing.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIK
Input voltage
All inputs
VDDQ = 2.3 V, II = –18 mA
–1.2
V
V
High level output voltage
VDDQ = min to max, IOH = –1 mA
VDDQ – 0.1
V
VOH
High-level output voltage
VDDQ = 2.3 V, IOH = –12 mA
1.7
V
V
Low level output voltage
VDDQ = min to max, IOL = 1 mA
0.1
V
VOL
Low-level output voltage
VDDQ = 2.3 V, IOL = 12 mA
0.6
V
VOD
Output voltage swing}
Differential outputs are terminated
with 120 Ω /CL 14 pF (See
1.1
VDDQ – 0.4
V
VOX
Output differential cross-voltagew
with 120 Ω /CL = 14 pF (See
Figure 3)
VDDQ/2 – 0.15
VDDQ/2 VDDQ/2 + 0.15
V
II
Input current
VDDQ = 2.7 V, VI = 0 V to 2.7 V
±10
μA
IOZ
High-impedance state output current
VDDQ = 2.7 V, VO= VDDQ or GND
±10
μA
IDDPD
Power-down current on
VDDQ + AVDD
CLK and CLK = 0 MHz; PWRDWN
= Low; Σ of IDD and AIDD
20
100
μA
AI
Supply current on AV
fO = 170 MHz
7
10
mA
AIDD
Supply current on AVDD
fO = 200 MHz
9
12
mA
CI
Input capacitance
VDDQ = 2.5 V, VI = VDDQ or GND
2
2.5
3.5
pF
All typical values are at a respective nominal VDDQ.
The differential output signal voltage specifies the differential voltage ⎮VTR − VCP⎮, where VTR is the true output level and VCP is the
complementary output level.
§ The differential cross-point voltage is expected to track variations of VDDQ and is the voltage at which the differential signals must be crossing.
The frequency range is 100 MHz to 200 MHz.


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