ICS853111 datasheet(11/13 Pages) ICST

11 / 13 page

853111AY

www.icst.com/products/hiperclocks.html

REV. D JULY 22, 2003

Integrated

Circuit

Systems, Inc.

ICS853111

LOW SKEW, 1-TO-10

DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER

PRELIMINARY

RELIABILITY INFORMATION

TRANSISTOR COUNT

The transistor count for ICS853111 is: 1340

TABLE 6.

. AIR FLOW TABLE

by Velocity (Linear Feet per Minute)

200

500

Single-Layer PCB, JEDEC Standard Test Boards

67.8°C/W

55.9°C/W

50.1°C/W

Multi-Layer PCB, JEDEC Standard Test Boards

47.9°C/W

42.1°C/W

39.4°C/W

NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.

SCHEMATIC EXAMPLE

This application note provides general design guide using

ICS853111 LVPECL buffer.

Figure 6 shows a schematic ex-

ample of the ICS853111 LVPECL clock buffer. In this example,

FIGURE 6. EXAMPLE ICS853111 LVPECL CLOCK OUTPUT BUFFER SCHEMATIC

the input is driven by an LVPECL driver. CLK_SEL is set at logic

high to select PCLK0/nPCLK0 input.

0.1uF

C6 (Option)

0.1u

Zo = 50

VCC

VCC=3.3V

C7 (Option)

0.1u

(U1-16)

ICS853111

VCC

CLK_SEL

PCLK0

nPCLK0

VBB

PCLK1

nPCLK1

VEE

nQ6

nQ5

nQ4

nQ3

Zo = 50

0.1uF

(U1-9)

Zo = 50 Ohm

C8 (Option)

0.1u

0.1uF

R10

R11

3.3V LVPECL

VCC

(U1-32)

R13

0.1uF

Zo = 50 Ohm

0.1uF

(U1-25)

VCC

Zo = 50

(U1-1)

ICS853111 Datasheet(PDF) 11 Page - Integrated Circuit Systems

ICS853111 Datasheet(HTML) 11 Page - Integrated Circuit Systems

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13

Datasheet Download

Link URL