Pin Descriptions

The following table provides the pin description for the 16-pin ICS2495 packages.

PIN NUMBER

PIN SYMBOL

TYPE

DESCRIPTION

1

XTAL2

OUT

Crystal interface

2

EXTFREQ

IN

External clock input (if so programmed)

3

FS0

IN

Control input for VCLK selection

4

FS1

IN

Control input for VCLK selection

5

STROBE

IN

Strobe for latching FS (0-3) (High enable)

6

FS2

IN

Control input for VCLK selection

7

FS3

IN

Control input for VCLK selection

8

MS0

IN

Select input for MCLK selection

9

MS1

IN

Select input for MCLK selection

10

MCLK

OUT

Memory Clock Output

11

N/C

-

Not Connected

12

VDD

-

Power

13

VSS

-

Ground

14

XTALOUT

OUT

Buffered Crystal Output

15

VCLK

OUT

Video Clock Output

16

XTAL1

IN

Reference input clock from system

Absolute Maximum Ratings

Ambient Temperature

under bias

0

°C to 70 °C

Storage temperature

-40

°C to 125 °C

Voltage on all inputs

and outputs with

0.3 to 7 Volts

Note: Stresses above those listed under Absolute Maximum

Rating may cause permanent damage to the device. This is a

stress rating only and functional operation of the device at these

or any other conditions above those indicated in the operational

section of the specifications is not implied. Exposure to abso-

lute maximum rating conditions for extended periods may

affect product reliability.

Standard Test Conditions

The characteristics below apply for the following standard test

conditions, unless otherwise noted. All voltages are referenced

pin.

Operating Temperature

range

0

°C to 70 °C

Power supply voltage

4.75 to 5.25 Volts

ICS2495

4