DS14285/DS14287

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ORDERING INFORMATION

PART

TEMP RANGE

VOLTAGE (V)

PIN-PACKAGE

TOP MARK*

DS14285

0

°C to +70°C

5.0

24 DIP (0.600

″)

DS14285

DS14285+

0

°C to +70°C

5.0

24 DIP (0.600

″)

DS14285

DS14285N

-40

°C to +85°C

5.0

24 DIP (0.600

″)

DS14285N

DS14285N+

-40

°C to +85°C

5.0

24 DIP (0.600

″)

DS14285N

DS14285Q

0

°C to +70°C

5.0

28 PLCC

DS14285Q

DS14285Q+

0

°C to +70°C

5.0

28 PLCC

DS14285Q

DS14285QN

-40

°C to +85°C

5.0

28 PLCC

DS14285QN

DS14285QN+

-40

°C to +85°C

5.0

28 PLCC

DS14285QN

DS14285S

0

°C to +70°C

5.0

24 SO (0.300

″)

DS14285S

DS14285S+

0

°C to +70°C

5.0

24 SO (0.300

″)

DS14285S

DS14285SN

-40

°C to +85°C

5.0

24 SO (0.300

″)

DS14285SN

DS14285SN+

-40

°C to +85°C

5.0

24 SO (0.300

″)

DS14285SN

DS14285SN/T&R

-40

°C to +85°C

5.0

24 SO (0.300

″)/Tape & Reel

DS14285SN

DS14285SN+T&R

-40

°C to +85°C

5.0

24 SO (0.300

″)/Tape & Reel

DS14285SN

DS14285S/T&R

0

°C to +70°C

5.0

24 SO (0.300

″)/Tape & Reel

DS14285S

DS14285S+T&R

0

°C to +70°C

5.0

24 SO (0.300

″)/Tape & Reel

DS14285S

DS14287

0

°C to +70°C

5.0

24 EDIP (0.740

″)

DS14287

DS14287+

0

°C to +70°C

5.0

24 EDIP (0.740

″)

DS14287

+ Denotes a lead-free/RoHS-compliant device.

* A “+” anywhere on the top mark denotes a lead-free/RoHS-compliant device. An “N” denotes an industrial temperature grade device.

PIN DESCRIPTION

AD0-AD7

- Multiplexed Address/Data Bus

NC

- No Connection

MOT

- Bus Type Select (DS14285Q only)

CS

- Chip Select

AS

- Address Strobe

- Read/Write Input

DS

- Data Strobe

RESET

- Reset Input

IRQ

- Interrupt Request Output

SQW

- Square Wave Output

- +5V Supply

GND

- Ground

- RAM Power Supply Output

CEI

- RAM Chip Enable In

CEO

- RAM Chip Enable Out

X1, X2

- 32.768 kHz Crystal Connections

- +3V Battery Input