DS1554070 Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

DS1554070

256k, Nonvolatile, Y2K-Compliant Timekeeping RAM

Maxim Integrated 

DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM

PIN DESCRIPTION

A0–A14 - Address Inputs

DQ0–DQ7

IRQ/FT

RST

- Data Input/Outputs

- Interrupt, Frequency Test Output (Open Drain)

- Power-On Reset Output (Open Drain)

CE

- Chip Enable

OE

- Output Enable

WE

- Write Enable

VCC

- Power-Supply Input

GND

- Ground

N.C.

- No Connection

X1, X2

- Crystal Connection

VBAT

- Battery Connection

ORDERING INFORMATION

PART

DS1554-70+

DS1554-70IND+

DS1554P-70+

DS1554P-70IND+

DS1554W-120+

DS1554W-120IND+

DS1554WP-120+

DS1554WP-120IND+

TEMP RANGE

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

VOLTAGE

(V)

5.0

5.0

5.0

5.0

3.3

3.3

3.3

3.3

PIN-PACKAGE

32 EDIP (0.740a)

32 EDIP (0.740a)

34 PowerCap*

34 PowerCap*

32 EDIP (0.740a)

32 EDIP (0.740a)

34 PowerCap*

34 PowerCap*

TOP MARK**

DS1554+070

DS1554+070 IND

DS1554P+70

DS1554P+70 IND

DS1554W+120

DS1554W+120 IND

DS1554WP+120

DS1554WP+120 IND

+Denotes a lead(Pb)-free /RoHS-compliant package.

*DS9034-PCX+ or DS9034I-PCX+ required (must be ordered separately).

**The top mark will include a “+” on lead-free devices. An “IND” anywhere on the top mark indicates an industrial temperature grade device.

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