ICS8308I datasheet(12/15 Pages) ICST

12 / 15 page

8308AGI

www.icst.com/products/hiperclocks.html

REV. B JULY 25, 2005

Integrated

Circuit

Systems, Inc.

ICS8308I

LOW SKEW, 1-TO-8

DIFFERENTIAL/LVCMOS-TO-LVCMOS FANOUT BUFFER

SCHEMATIC EXAMPLE

Figure 3 shows a schematic example of the ICS8308I. In this

example, the LVCMOS_CLK input is selected. The decoupling

FIGURE 3. ICS8308I LVPECL BUFFER SCHEMATIC EXAMPLE

0.1u

(U1,9)

VDD

Zo = 50 Ohm

(U1,16)

R10

R11

0.1u

VDD

(U1,20)

ICS8308I

GND

CLK_SEL

LVCMOS_CLK

CLK

nCLK

CLK_EN

VDD

GND

VDDO

GND

VDDO

GND

VDDO

GND

VDDO

VDD=3.3V

(U1,12)

Ro ~ 7 Ohm

3.3V_LVCMOS

3.3V LVCMOS/LVTTL

0.1u

R12

VDD

(U1,24)

Zo = 50 Ohm

VDD

3.3V LVCMOS/LVTTL

0.1u

capacitors should be physically located near the power pin.

RELIABILITY INFORMATION

TRANSISTOR COUNT

The transistor count for ICS8308I is: 1040

TABLE 6.

. AIR FLOW TABLE FOR 24 LEAD TSSOP

θθθθθ

JA by Velocity (Linear Feet per Minute)

200

500

Multi-Layer PCB, JEDEC Standard Test Boards

70°C/W

63°C/W

60°C/W

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