CY2303

Document #: 38-07249 Rev. *E

Page 2 of 9

Pinouts

Figure 1. CY2303 - 8-pin SOIC Top View

Maximum Ratings

Supply voltage to ground potential ...............–0.5 V to +7.0 V

DC input voltage REFIN ....................................–0.5 V to 7 V

Storage temperature ................................ –65 °C to +150 °C

Junction temperature................................................. 150 °C

Static discharge voltage

(per MIL-STD-883, method 3015) ........................... > 2000 V

Pin Description

Pin

Signal[1]

Description

1

REF

REF output (1x reference input)

2

GND

Ground

3

REFIN

Input reference frequency, 5 V tolerant input

4

N/C

No connect

5

REFx2

2x reference input

6

REFx4

4x reference input

3.3 V supply

8

OE

Output enable (weak pull-up)

1

2

3

4

5

8

7

6

REF

GND

REFIN

N/C

OE

REFx2

REFx4

Notes

1. Weak pull-down on all outputs.

Operating Conditions

Parameter

Description

Min

Max

Unit

Supply voltage

3.0

3.6

V

Operating temperature (ambient temperature)

0

70

°C

–

18

pF

–

12

pF

Input capacitance

–

7

pF

ramps must be monotonic)

0.05

50

ms

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