PE3512 Datasheet, PDF (3/8 Pages) Peregrine Semiconductor Corp. – 1500 MHz Low Power UltraCMOS™ Divide-by-4 Prescaler

PE3512
Product Specification
Figure 3. Pin Configuration (Top View)
pin 1
NC 1
GND ²
IN ³
6 _OUT
5 _GND
SC-70
4
V_DD
Table 5. Pin Descriptions
Pin
Pin
No. Name
Description
1
N/C No Connect. This pin should be left open.
2
GND Ground pin. Ground pattern on the board
should be as wide as possible to reduce
3
IN
Input signal pin. DC blocking capacitor
4
V_DD Power supply pin. Bypassing is required.
5
GND Ground pin.
6
OUT Divided frequency output pin. DC blocking
Table 6. Absolute Maximum Ratings
Symbol
V_DD
Pin
T_ST
Parameter/Conditions Min
Supply voltage
Input Power
Storage temperature
-65
Max
4.0
13
150
T_OP
Operating temperature
-40
85
V_ESD
ESD voltage (Human
2000
Units
V
dBm
°C
°C
V
Absolute Maximum Ratings are those values
listed in the above table. Exceeding these values
may cause permanent device damage. Exposure
to absolute maximum ratings for extended periods
may affect device reliability.
Electrostatic Discharge (ESD) Precautions
When handling this UltraCMOS™ device, observe
the same precautions that you would use with
other ESD-sensitive devices. Although this device
contains circuitry to protect it from damage due to
ESD, precautions should be taken to avoid
exceeding the rating specified in Table 6.
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS™
devices are immune to latch-up.
Device Functional Considerations
The PE3512 divides an input signal, up to a
frequency of 1500 MHz, by a factor of four thereby
producing an output frequency at one-fourth the
input frequency. To work properly with low
impedance, ground referenced interfaces, the
input and output signals (pins 3 & 6) must be AC
coupled via an external capacitor, as shown in the
test circuit in Figure 4.
The ground pattern on the board should be made
as wide as possible to minimize ground
impedance. See Figure 9 for a layout example.
Document No. 70-0107-03 │ www.psemi.com
©2005 Peregrine Semiconductor Corp. All rights reserved.
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