ICS843101AGI-100LFT IDT, Integrated Device Technology Inc, ICS843101AGI-100LFT Datasheet - Page 13

• Manufacturer Part Number: ICS843101AGI-100LFT
• Description: IC SYNTHESIZER 100MHZ 16-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™, FemtoClock®r
• Type: Frequency Synthesizerr

Specifications of ICS843101AGI-100LFT

• Pll: Yes
• Input: LVCMOS, LVTTL, Crystal
• Output: LVPECL
• Number Of Circuits: 1
• Ratio - Input:output: 2:1
• Differential - Input:output: No/Yes
• Frequency - Max: 100MHz
• Divider/multiplier: Yes/No
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Frequency-max: 100MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 843101AGI-100LFT

L
Figure 6 shows an example of ICS843101I-100 application
schematic. In this example, the device is operated at V
The 18pF parallel resonant 24MHz crystal is used. The C1 =
27pF and C2 = 27pF are recommended for frequency accuracy.
For different board layout, the C1 and C2 may be slightly adjusted
IDT
AYOUT
Controller
ICS843101I-100
FEMTOCLOCKS™ CRYSTAL-TO-LVPECL 100MHZ FREQUENCY MARGINING SYNTHESIZER
™
Serial
/ ICS
™
G
LVPECL FREQUENCY MARGINING SYNTHESIZER
UIDELINE
J1
J2
J3
R7
R4
50
50
VCC
R8
R1
50
0.01u
10
C5
VCCA
S_LOAD
S_DATA
S_CLOCK
VCC
C6
10u
C4
0.1u
F
IGURE
SEL
OE
VCC
ICS843101I-100
Logic Control Input Examples
VCC
6. ICS843101I-100 S
1
2
3
4
5
6
7
8
U1
RU1
1K
RD1
Not Install
VEE
S_LOAD
S_DATA
S_CLOCK
SEL
OE
VCCA
VCC
Set Logic
Input to
'1'
To Logic
Input
pins
CC
= 3.3V.
XTAL_OUT
XTAL_IN
MODE
VCCO
VCC
VEE
CLK
nQ
Q
25MHz, 18pF
RU2
Not Install
RD2
1K
13
16
15
14
13
12
11
10
9
Set Logic
Input to
'0'
To Logic
Input
pins
for optimizing frequency accuracy. Two examples of LVPECL
terminations are shown in this schematic. Additional termination
approaches are shown in the LVPECL Termination Application
Note.
MODE
VCCO
CHEMATIC
VCCO
XTAL_OUT
XTAL_IN
X1
C3
0.1u
C2
27pF
C1
27pF
E
Q
nQ
XAMPLE
VCC=3.3V
VCCO=3.3V
ICS843101AGI-100 REV. A APRIL 26, 2007
Optional
Y-Termination
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
R5
82.5
R2
133
R9
50
3.3V
R11
50
R10
50
R3
133
R6
82.5
+
-
+
-