WCSS0418V1P

Document #: 38-05247

Page 7 of 17

Maximum Ratings

(Above which the useful life may be impaired. For user guide-

lines, not tested.)

Storage Temperature

..................................... −65°C to +150°C

Ambient Temperature with

Power Applied

.................................................. −55°C to +125°C

DC Voltage Applied to Outputs

in High Z State[7]

....................................... −0.5V to V

DC Input Voltage[7]

.................................... −0.5V to V

Current into Outputs (LOW) ........................................ 20 mA

Static Discharge Voltage .......................................... >2001V

(per MIL-STD-883, Method 3015)

Latch-Up Current .................................................... >200 mA

Notes:

4.

X = “Don't Care,” 1 = Logic HIGH, 0 = Logic LOW.

5.

after the ADSP or with the assertion of ADSC. As a result, OE must be driven HIGH prior to the start of the write cycle to allow the outputs to three-state. OE is

a don't care for the remainder of the write cycle.

6.

7.

Minimum voltage equals

−2.0V for pulse durations of less than 20 ns.

8.

Write Cycle Description[4, 5, 6]

Function

GW

BWE

Read

1

1

XX

XX

Read

10

11

11

10

11

10

10

11

01

Write Bytes 1, 0

1

01

10

0

10

10

11

Write Bytes 2, 0

1

01

01

0

Write Bytes 2, 1

1

01

00

1

Write Bytes 2, 1, 0

1

0

1

0

0

0

10

01

11

Write Bytes 3, 0

1

00

11

0

Write Bytes 3, 1

1

00

10

1

Write Bytes 3, 1, 0

1

0

0

1

0

0

Write Bytes 3, 2

1

00

01

1

Write Bytes 3, 2, 0

1

0

0

0

1

0

Write Bytes 3, 2, 1

1

0

0

0

0

1

Write All Bytes

1

0

0

0

0

0

Write All Bytes

0

X

X

X

X

X

Operating Range

Range

Ambient

Temperature[8]

Com’l

0°C to +70°C

3.3V

−5%/+10%

2.5V

−5%

3.3V +10%

Industrial

–40°C to +85°C