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CY2308
Document #: 38-07146 Rev. *C
Page 5 of 14
Switching Characteristics for CY2308SC-XX Commercial Temperature Devices [8]
Parameter
Name
Test Conditions
Min.
Typ.
Max.
Unit
t1
Output Frequency
30-pF load, All devices
10
100
MHz
t1
Output Frequency
20-pF load, –1H, –5H devices[9]
10
133.3
MHz
t1
Output Frequency
15-pF load, –1, –2, –3, –4 devices
10
133.3
MHz
Duty Cycle[7] = t2 ÷ t1
(–1, –2, –3, –4, –1H, –5H)
Measured at 1.4V, FOUT = 66.66 MHz
30-pF load
40.0
50.0
60.0
%
Duty Cycle[7] = t2 ÷ t1
(–1, –2, –3, –4, –1H, –5H)
Measured at 1.4V, FOUT <50.0 MHz
15-pF load
45.0
50.0
55.0
%
t3
Rise Time[7]
(–1, –2, –3, –4)
Measured between 0.8V and 2.0V,
30-pF load
2.20
ns
t3
Rise Time[7]
(–1, –2, –3, –4)
Measured between 0.8V and 2.0V,
15-pF load
1.50
ns
t3
Rise Time[7]
(–1H, –5H)
Measured between 0.8V and 2.0V,
30-pF load
1.50
ns
t4
Fall Time[7]
(–1, –2, –3, –4)
Measured between 0.8V and 2.0V,
30-pF load
2.20
ns
t4
Fall Time[7]
(–1, –2, –3, –4)
Measured between 0.8V and 2.0V,
15-pF load
1.50
ns
t4
Fall Time[7]
(–1H, –5H)
Measured between 0.8V and 2.0V,
30-pF load
1.25
ns
t5
Output to Output Skew on
same Bank
(–1, –2, –3, –4)[7]
All outputs equally loaded
200
ps
Output to Output Skew
(–1H, –5H)
All outputs equally loaded
200
ps
Output Bank A to Output
Bank B Skew (–1, –4, –5H)
All outputs equally loaded
200
ps
Output Bank A to Output
Bank B Skew (–2, –3)
All outputs equally loaded
400
ps
t6
Delay, REF Rising Edge to
FBK Rising Edge[7]
Measured at VDD/2
0
±250
ps
t7
Device to Device Skew[7]
Measured at VDD/2 on the FBK pins of
devices
0700
ps
t8
Output Slew Rate[7]
Measured between 0.8V and 2.0V on –1H,
–5H device using Test Circuit #2
1V/ns
tJ
Cycle to Cycle Jitter[7]
(–1, –1H, –4, –5H)
Measured at 66.67 MHz, loaded outputs,
15-pF load
200
ps
Measured at 66.67 MHz, loaded outputs,
30-pF load
200
ps
Measured at 133.3 MHz, loaded outputs,
15-pF load
100
ps
tJ
Cycle to Cycle Jitter[7]
(–2, –3)
Measured at 66.67 MHz, loaded outputs
30-pF load
400
ps
Measured at 66.67 MHz, loaded outputs
15-pF load
400
ps
tLOCK
PLL Lock Time[7]
Stable power supply, valid clocks presented
on REF and FBK pins
1.0
ms
Notes:
8. All parameters are specified with loaded outputs.
9. CY2308–5H has maximum input frequency of 133.33 MHz and maximum output of 66.67 MHz.