Pl tronics, Inc.
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19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
Differential PECL Series
Differential PECL Output, Some with Enable/ Disable Function
Available in 9 Different Package/Configurations, See Next Pages
Standard Specifications
Overall Frequency Stability
± 50 PPM, ± 25 PPM, ± 20 PPM over Operating Temperature Range
Operating Temperature Range 0 to +80°C is standard, but can be extended to - 40 to +85°C
Storage Temperature Range
Supply Voltage (Vcc)
Supply Current (Icc)
- 55 to +125°C
3.3 volts ± 5% standard, but 5.0 volts or 2.5 volts also available. See Test Cirucit 5.
< 250 MHz = 90 mA maximum, 250 MHz and above = 100 mA maximum
Output High Level
2.275 V minimum referenced to Ground, Vcc = 3.300V,
0.975 V minimum referenced to termination voltage,
- 1.025 V minimum referenced to Vcc
Output Low Level
1.680 V maximum referenced to Ground, Vcc = 3.300V,
0.380 V maximum referenced to termination voltage,
- 1.620 V maximum referenced to Vcc
Output Symmetry
Output Rise & Fall (Tr & Tf)
Jitter
E/D Internal Pullup
V disable
45/55% referenced to 50% of amplitude
1.0 nS maximum when Vth is 10% and 90% of waveform
1 pS RMS maximum measured from 12 kHz to 20 MHz from Fnominal
50 kohm minimum to Vcc
0.3 Vcc maximum referenced to Ground
V enable
0.7 Vcc minumum referenced to Ground
PE7745D only Output Enable / Disable
High Level Input Current
Low Level Input Current
Output Enable Time
-20 uA maximum at Enable / Disable Pin = 0.7 Vcc
-200 uA maximum at Enable / Disable Pin = 0 V
200 nS maximum at output enable or 1 mS maximum at output enabled and stable
200 nS maximum at output disable
Output Disable Time
Vcc Supply Current disabled < 1 mA. Both outputs are high impedance when disabled.
All other models Output Enable/Disable (E/D)
Output Enable Time
Output Disable Time
When Disabled
100 nS maximum
100 nS maximum
Q Output = Logic Low, QN Output = Logic High. Both Outputs are active
Note 1:
PECL and ECL are identical circuits.
ECL has the most positive pin as ground and is ideally terminated by 50 ohms to - 2.00 V
PECL has the most negative pin as ground and is ideally terminated by 50 ohms to the most (positive voltage less 2.00 V)
Mechanical: See Next Pages
D Package
J Package Replacement
B Package
M Package
Mar 2004
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
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Pl tronics, Inc.