ICS8761CY IDT, Integrated Device Technology Inc, ICS8761CY Datasheet - Page 11

• Manufacturer Part Number: ICS8761CY
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Zero Delay PLL Clock Generatorr

Specifications of ICS8761CY

• Number Of Elements: 1
• Supply Current: 175mA
• Pll Input Freq (min): 10MHz
• Pll Input Freq (max): 83.33MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 85C
• Package Type: LQFP
• Output Frequency Range: Up to 166.67MHz
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

8761CY
S
Figure 3 shows a schematic example of the ICS8761. In this
example, the input is driven by an ICS LVHSTL driver. The
decoupling capacitors should be physically located near the
FB
VDD
CHEMATIC
SP = Spare, Not Install
25MHz,18pF
C17
0.1u
VDD
Logic Input Pin Examples
RU1
1K
RD1
SP
C1
SP
X1
C2
SP
Set Logic
Input to '1'
To Logic
Input pins
E
C16
10u
XAMPLE
VDD
VDD
R5
1K
VDD
RU2
SP
RD2
1K
R6
1K
Set Logic
Input to '0'
To Logic
Input pins
F
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
IGURE
U1
ICS8761
REF_CLK
GND
XTAL1
XTAL2
VDD
XTAL_SEL
PLL_SEL
VDDA
VDD
D_SELC0
D_SELC1
OEC
OEA
D_SELA0
D_SELA1
GND
3. ICS8761 C
(U1,5)
C6
0.1u
VDD
VDDO
VDDO
(U1,9)
C5
0.1u
(U1,40)
(U1,19)
LOCK
www.idt.com
C7
0.1u
C4
0.1u
VDDO
G
11
FBDIV_SEL0
FBDIV_SEL1
(U1,23)
ENERATOR
(U1,44)
power pin. For ICS8761, the unused clock outputs can be left
floating. The optional C1 and C2 are spare footprints for
frequency fine tuning.
D_SELD0
D_SELD1
D_SELB0
D_SELB1
VDDOFB
FB_OUT
FB_IN
C8
0.1u
GND
GND
VDD
VDD
OED
OEB
C3
0.1u
MR
(U1,27)
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
S
C9
0.1u
CHEMATIC
VDD=3.3V
VDDO=3.3V
(U1,31)
PCI / PCI-X C
C10
0.1u
VDDO
VDD
(U1,50)
E
XAMPLE
L
C11
0.1u
OW
36
(U1,54)
R1
R2
36
R3
36
R4
36
V
C12
0.1u
OLTAGE
(U1,58)
LOCK
Zo = 50
Zo = 50
Zo = 50
Zo = 50
C13
0.1u
(U1,62)
ICS8761
, L
G
REV. E JULY 26, 2010
C14
0.1u
OW
ENERATOR
(U1,46)
S
Receiv er
Receiv er
Receiv er
Receiv er
C15
0.1u
KEW
,