IDTICS8523AGI03LN IDT, Integrated Device Technology Inc, IDTICS8523AGI03LN Datasheet - Page 9

• Manufacturer Part Number: IDTICS8523AGI03LN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of IDTICS8523AGI03LN

• Number Of Clock Inputs: 2
• Mode Of Operation: Differential
• Output Frequency: 650MHz
• Output Logic Level: LVHSTL
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Compliant

S
This application note provides general design guide using
ICS8523I-03 LVHSTL buffer. Figure 3 shows a schematic ex-
ample of the ICS8523I-03 LVHSTL Clock buffer. In this example,
8523AGI-03
CHEMATIC
1.8V
E
LVHSTL Driver
XAMPLE
Zo = 50 Ohm
Zo = 50 Ohm
F
IGURE
R9
50
4. E
R10
50
XAMPLE
R11
1K
R12
1K
3.3V
ICS8523I-03 LVHSTL C
3.3V
C1
0.1u
10
1
2
3
4
5
6
7
8
9
U1
ICS8523-03
GND
CLK_EN
CLK_SEL
CLK0
nCLK0
CLK1
nCLK1
NC
NC
VDD
1.8V
C2
0.1u
www.idt.com
C3
0.1u
9
VDDO
VDDO
nQ0
nQ1
nQ2
nQ3
the input is driven by an LVHSTL driver. CLK_EN is set at logic
low to select CLK0/nCLK0 input.
Q0
Q1
Q2
Q3
D
IFFERENTIAL
20
19
18
17
16
15
14
13
12
11
LOCK
1.8V
1.8V
O
UTPUT
-
TO
B
UFFER
Zo = 50
Zo = 50
Zo = 50
Zo = 50
-LVHSTL F
Zo = 50
Zo = 50
Zo = 50
Zo = 50
S
CHEMATIC
R6
50
R8
50
R2
50
R4
50
ICS8523I-03
L
OW
R5
50
R7
50
R1
50
R3
50
ANOUT
S
+
-
+
-
REV. A AUGUST 12, 2010
+
-
+
-
KEW
, 1-
B
UFFER
TO
-4