7©2017 Integrated Device Technology, Inc. Revision B, January 10, 2017
879893 Datasheet
AC Electrical Characteristics
Table 5A. AC Characteristics, V
DD
= 3.3V ± 5%, T
A
= -40°C to 85°C
All parameters measured at f
MAX
unless noted otherwise.
NOTE 1: Defined as the time difference between the input reference clock and the average feedback input signal, when the PLL is locked and
the input reference frequency is stable.
NOTE 2: These parameters are guaranteed by characterization. Not tested in production.
NOTE 3: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 4: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at V
DD
/2.
Parameter Symbol Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency 7.5 200 MHz
f
REF
Input Frequency 15 100 MHz
BW PLL Closed Loop Bandwidth 0.8 to 4 MHz
t(Ø)
Propagation Delay, (Static Phase
Offset, CLKx to FB); NOTE 1, 2, 3
V
DD
= 3.3V±5%; FSEL = 111x -35 120 ps
V
DD
= 3.3V±5% -35 130 ps
tsk(o)
Output Skew;
NOTE 1, 2, 3, 4
within bank 50 ps
bank-to-bank 135 ps
any output to QFB 315 ps
t Rate of Period Change; NOTE 2
f
REF
= 62.5MHz, FSEL = 1000 160
ps/
cycle
FSEL = XXX0 100 280
ps/
cycle
FSEL = XXX1 200 425
ps/
cycle
tjit(cc) Cycle-to-Cycle Jitter; NOTE 2, 3
FSEL3 = 0 150 ps
FSEL3 = 1 190 ps
t
CYCLE
Output Clock Period Deviation when
switching from primary input to
secondary; NOTE 2
f
REF
= 62.5MHz, FSEL = 1000 -600 700 ps
-800 800 ps
tjit(per) Period Jitter; NOTE 2, 3
FSEL3 = 0 150 ps
FSEL3 = 1, measured on QBx 150 ps
tjit(Ø) I/O Phase Jitter, (1); NOTE 2, 3
FB = 4;
FSEL [0:2] = 100 or 111 (1)
25 ps
FB = 6;
FSEL [0:2] = 010 (1)
25 ps
FB = 8; FSEL [0:2] = 001, 011
or 110 (1)
35 ps
FB = 16;
FSEL [0:2] = 000 or 101 (1)
25 ps
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 250 600 ps
t
PZL
, t
PZH
Output Enable Time; NOTE 2 10 ns
t
PLZ
, t
PHZ
Output Disable Time; NOTE 2 10 ns
t
L
PLL Lock Time; NOTE 2 10 ms
odc Output Duty Cycle 45 50 55 %
8©2017 Integrated Device Technology, Inc. Revision B, January 10, 2017
879893 Datasheet
Table 5B. AC Characteristics, V
DD
= 2.5V ± 5%, T
A
= -40°C to 85°C
All parameters measured at f
MAX
unless noted otherwise.
NOTE 1: Defined as the time difference between the input reference clock and the average feedback input signal, when the PLL is locked and
the input reference frequency is stable.
NOTE 2: These parameters are guaranteed by characterization. Not tested in production.
NOTE 3: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 4: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at V
DD
/2.
Parameter Symbol Test Conditions Minimum Typical Maximum Units
f
OUT
Output Frequency 7.5 200 MHz
f
REF
Input Frequency 15 100 MHz
BW PLL Closed Loop Bandwidth 0.8 to 4 MHz
t(Ø)
Propagation Delay, (Static Phase
Offset, CLKx to FB); NOTE 1, 2, 3
V
DD
= 3.3V±5%; FSEL = 111x -55 120 ps
V
DD
= 3.3V±5% -55 130 ps
tsk(o)
Output Skew;
NOTE 1, 2, 3, 4
within bank 50 ps
bank-to-bank 135 ps
any output to QFB 280 ps
t Rate of Period Change; NOTE 2
f
REF
= 62.5MHz, FSEL = 1000 175
ps/
cycle
FSEL = XXX0 260
ps/
cycle
FSEL = XXX1 350
ps/
cycle
tjit(cc) Cycle-to-Cycle Jitter; NOTE 2, 3
FSEL3 = 0 180 ps
FSEL3 = 1 245 ps
t
CYCLE
Output Clock Period Deviation when
switching from primary input to
secondary; NOTE 2
f
REF
= 62.5MHz, FSEL = 1000 -600 700 ps
-800 850 ps
tjit(per) Period Jitter; NOTE 2, 3
FSEL3 = 0 150 ps
FSEL3 = 1, measured on QBx 150 ps
tjit(Ø) I/O Phase Jitter, (1); NOTE 2, 3
FB = 4;
FSEL [0:2] = 100 or 111 (1)
30 ps
FB = 6;
FSEL [0:2] = 010 (1)
40 ps
FB = 8; FSEL [0:2] = 001, 011
or 110 (1)
25 ps
FB = 16;
FSEL [0:2] = 000 or 101 (1)
30 ps
t
R
/ t
F
Output Rise/Fall Time 20% to 80% 250 600 ps
t
PZL
, t
PZH
Output Enable Time; NOTE 2 10 ns
t
PLZ
, t
PHZ
Output Disable Time; NOTE 2 10 ns
t
L
PLL Lock Time; NOTE 2 10 ms
odc Output Duty Cycle 45 50 55 %
9©2017 Integrated Device Technology, Inc. Revision B, January 10, 2017
879893 Datasheet
Parameter Measurement Information
3.3V Output Load AC Test Circuit
Output Skew
Input/Output Phase Jitter
2.5V Output Load AC Test Circuit
Cycle-to-Cycle Jitter
Period Jitter
SCOPE
Qx
GND
V
DD,
1.65V±5%
-1.65V±5%
V
DDA
tsk(o)
V
DD
2
V
DD
2
Qx
Qy
t(Ø)
V
OH
V
OL
V
OH
V
OL
tjit(Ø) = t(Ø) – t(Ø) mean= Phase Jitter
t(Ø) mean = Static Phase Offset and I/O Phase Jitt
er
W
here t(Ø) is any random sample, and t(Ø) mean is the averag
e
o
f the sampled cycles measured on the controlled edges
V
DD
2
V
DD
2
CLK0, CLK1
FB
SCOPE
Qx
GND
1.25V±5%
-1.25V±5%
V
DD,
V
DDA
tcycle n tcycle n+1
tjit(cc) =
|
tcycle n – tcycle n+1
|
1000 Cycles
QA[0:5],
QB[0:5]
V
OH
V
REF
V
OL
Mean Period
(First edge after trigger)
Reference Point
(Trigger Edge)
1σ contains 68.26% of all measurements
2σ contains 95.4% of all measurements
3σ contains 99.73% of all measurements
4σ contains 99.99366% of all measurements
6σ contains (100-1.973x10
-7
)% of all measurements
Histogram

879893AYILFT

Mfr. #:
Manufacturer:
IDT
Description:
Clock Generators & Support Products 12 LVCMOS OUT CLOCK GENERATOR
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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