ICS84320AY-01LN IDT, Integrated Device Technology Inc, ICS84320AY-01LN Datasheet - Page 12

• Manufacturer Part Number: ICS84320AY-01LN
• Description: IC SYNTHESIZER GP LVPECL 32-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Frequency Synthesizerr

Specifications of ICS84320AY-01LN

• Pll: Yes with Bypass
• Input: Crystal
• Output: LVPECL
• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: No/Yes
• Frequency - Max: 780MHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Frequency-max: 780MHz
• Number Of Elements: 1
• Supply Current: 155mA
• Pll Input Freq (min): 14MHz
• Pll Input Freq (max): 40MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Package Type: TQFP
• Output Frequency Range: 77.5 to 780MHz
• Operating Supply Voltage (min): 2.915/3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Pin Count: 32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 800-1140; 84320AY-01LN

L
The schematic of the ICS84320-01 layout example used in
this layout guideline is shown in Figure 6A. The ICS84320-
01 recommended PCB board layout for this example is
shown in Figure 6B. This layout example is used as a gen-
84320AY-01
AYOUT
G
UIDELINE
ICS84320-01
1
2
3
4
5
6
7
8
U1
M5
M6
M7
M8
N0
N1
nc
VEE
C14
0.1u
F
IGURE
C1
0.1u
C15
nXTAL_SEL
S_CLOCK
S_LOAD
S_DATA
6A. S
T_CLK
XTAL2
VCCA
MR
CHEMATIC OF
X1
www.idt.com
24
23
22
21
20
19
18
17
Zo = 50 Ohm
Zo = 50 Ohm
12
REF_IN
XTAL_SEL
S_LOAD
S_DATA
S_CLOCK
TL1
TL2
eral guideline. The layout in the actual system will depend
on the selected component types, the density of the compo-
nents, the density of the traces, and the stack up of the P.C.
board.
R
780MH
ECOMMENDED
C2
IN+
IN-
LVPECL F
VCCA
Z
, C
L
AYOUT
RYSTAL
C11
0.01u
VCC
R1
125
R2
84
REQUENCY
-
TO
VCC
-3.3V D
ICS84320-01
R3
125
R4
84
R7
24
10u
C16
+
-
S
IFFERENTIAL
YNTHESIZER
REV. D JULY 26, 2010