ASM5P23S09A

August 2003

ASM5P23S05A

rev 2.0

3.3V

‘SpreadTrak’ Zero Delay Buffer

4 of 16

Notice: The information in this document is subject to change without notice.

Pin Description for ASM5P23S09A

Pin #

Pin Name

Description

1

REF

2

Input reference frequency, 5V tolerant input

2

CLKA1

3

Buffered clock output, bank A

3

CLKA2

3

Buffered clock output, bank A

4

3.3V supply

5

GND

Ground

6

CLKB1

3

Buffered clock output, bank B

7

CLKB2

3

Buffered clock output, bank B

8

S2

4

Select input, bit 2

9

S1

4

Select input, bit 1

10

CLKB3

3

Buffered clock output, bank B

11

CLKB4

3

Buffered clock output, bank B

12

GND

Ground

13

3.3V supply

14

CLKA3

3

Buffered clock output, bank A

15

CLKA4

3

Buffered clock output, bank A

16

CLKOUT

3

Buffered output, internal feedback on this pin

Pin Description for ASM5P23S05A

Pin #

Pin Name

Description

1

REF

2

Input reference frequency, 5V-tolerant input

2

CLK2

3

Buffered clock output

3

CLK1

3

Buffered clock output

4

GND

Ground

5

CLK3

3

Buffered clock output

6

3.3V supply

7

CLK4

3

Buffered clock output

8

CLKOUT

3

Buffered clock output, internal feedback on this pin

Notes:

2. Weak pull-down.

3. Weak pull-down on all outputs.

4. Weak pull-up on these inputs.