HFA3524IA96 INTERSIL [Intersil Corporation], HFA3524IA96 Datasheet - Page 4

• Manufacturer Part Number: HFA3524IA96
• Description: 2.5GHz/600MHz Dual Frequency Synthesizer
• Manufacturer: INTERSIL [Intersil Corporation]

Block Diagram
NOTES:
1. V
2. V
OSC
D
f
f
F
V
IN
IN
O
GND
GND
GND
O
RF and IF R-counters along with the OSC
same voltage level.
CC1
V
LD
RF
RF
RF
CC1
P1
P1
IN
and V
10
6
1
2
3
4
5
7
8
9
supplies power to the RF prescaler, N-counter and phase detector. V
+
-
P2
1-BIT RF
PWDN
RF CHARGE PUMP
can be run independently as long as V
RF PRESCALER
5-BIT MODE LATCH
5-BIT MODE LATCH
1X
32/33 OR 64/65
SWALLOW
CONTROL
4X
1-BIT P1
LATCH
4
(R1) REFERENCE COUNTER
(R2) REFERENCE COUNTER
PROGRAMMABLE 15-BIT
PROGRAMMABLE 15-BIT
PU
PD
(RF) 18-BIT N-LATCH
PROGRAMMABLE
IN
DETECTOR
N-COUNTER
18-BIT (RF)
15-BIT R1 LATCH
15-BIT R2 LATCH
DETECT
PHASE
LOCK
buffer and all digital circuitry. V
RF
RF
P
FR 1
FP 1
V
CC
.
LOCK DETECT/
HFA3524
MULTIPLEXER
FASTLOCK
f
OUT
/
CC2
CC1
FR 2
FP 2
supplies power to the IF prescaler, N-counter and phase detector,
(IF) 15-BIT N-LATCH
20-BIT SHIFT REGISTER
PROGRAMMABLE
and V
N-COUNTER
DETECTOR
15-BIT (IF)
DETECT
PHASE
CC2
LOCK
IF
IF
are separated by a diode and must be run at the
PD
PU
1-BIT P2
LATCH
IF PRESCALER
8/9 OR 16/17
IF CHARGE PUMP
SWALLOW
CONTROL
1X
4X
CONTROL
DECODE
1-BIT IF
LATCH
LATCH
PWDN
2-BIT
+
-
20
19
18
17
16
15
14
13
12
11
V
V
D
GND
f
f
GND
LE
DATA
CLOCK
IN
IN
CC2
P2
O
IF
IF
IF