4308-52 Peregrine Semiconductor, 4308-52 Datasheet - Page 8

• Manufacturer Part Number: 4308-52
• Description: IC DSA 5BIT 50 OHM 20-QFN
• Manufacturer: Peregrine Semiconductor
• Series: UltraCMOS™r

Specifications of 4308-52

• Attenuation Value: 31dB
• Tolerance: ±0.2dB
• Frequency Range: 0 ~ 4GHz
• Impedance: 50 Ohm
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1046-1035-2

Figure 17. Serial Interface Timing Diagram
Figure 18. Parallel Interface Timing Diagram
Table 8. Serial Interface AC Characteristics
V
Note:
©2003-2006 Peregrine Semiconductor Corp. All rights reserved.
Page 8 of 11
DD
Symbol
Parallel Data
Clock
Data
LE
= 3.0 V, -40° C < T
f
t
t
t
t
t
t
C16:C1
Clk
ClkH
ClkL
LESUP
LEPW
SDSUP
SDHLD
f
programming sections of the functional pattern are clocked
at 10 MHz to verify f
Clk
is verified during the functional pattern test. Serial
MSB
LE
Serial data clock
frequency (Note 1)
Serial clock HIGH time
Serial clock LOW time
LE set-up time after last
clock falling edge
LE minimum pulse width
Serial data set-up time
before clock rising edge
Serial data hold time
after clock falling edge
t
SDSUP
Parameter
t
t
SDHLD
A
PDSUP
< 85° C, unless otherwise specified
clk
specification.
t
LEPW
Min
30
30
10
30
10
10
Max
10
t
PDHLD
LSB
t
LESUP
Unit
MHz
ns
ns
ns
ns
ns
ns
t
LEPW
MSB (first in)
Table 7. 5-Bit Attenuator Serial Programming
Register Map
Note: The stop bit (B0) must always be low to prevent the attenuator
Table 9. Parallel Interface AC Characteristics
V
C16
B5
DD
Symbol
↑
= 3.0 V, -40° C < T
t
t
t
LEPW
PDSUP
PDHLD
Document No. 70-0162-04 │ UltraCMOS™ RFIC Solutions
from entering an unknown state.
B4
C8
LE minimum pulse width
Data set-up time before
rising edge of LE
Data hold time after
falling edge of LE
Parameter
B3
C4
A
< 85° C, unless otherwise specified
B2
C2
Min
10
10
10
Product Specification
B1
C1
Max
LSB (last in)
PE4308
B0
↑
0
Unit
ns
ns
ns