Philips Semiconductors

Product data

NE521

High-speed dual-differential comparator/sense amp

2001 Aug 03

3

BLOCK DIAGRAM

(12)

INPUT 2A

(11)

INPUT 2B

(9)

OUTPUT 3Y

(8)

STROBE 2G

(1)

(2)

(4)

(5)

INPUT 1A

INPUT 1B

OUTPUT 1Y

STROBE 1G

(6)

STROBE S

SL00244

Figure 3. Block Diagram

LOGIC FUNCTIONS

STROBE S

STROBE G

OUTPUT (Y)

H

H

L

H

H

Undefined

H

H

H

X

L

X

H

X

X

L

H

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNIT

Supply voltage

V+

Positive

+7

V

V–

Negative

-7

V

Differential input voltage

±6

V

Input voltage

Common mode

±5

V

Strobe/gate

+5.25

V

N package

1420

mW

D package

1040

mW

Operating temperature range

0 to 70

°C

Storage temperature range

–65 to +150

°C

Lead soldering temperature (10 sec. max)

+230

°C

NOTES:

1. Derate above 25

°C at the following rates:

N package at 11.4 mW/

°C

D package at 8.3 mW/

°C