DS1501Y Просмотр технического описания (PDF) - Maxim Integrated

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производитель

DS1501Y

Y2K-Compliant Watchdog Real-Time Clocks

Maxim Integrated 

Figure 8. Block Diagram

X1

32.768kHz CLOCK

OSCILLATOR

X2

CLOCK ALARM AND WATCHDOG

COUNTDOWN

DS1501/DS1511 Y2KC Watchdog Real-Time Clocks

IRQ

SQW

16 X 8

CLOCK AND CONTROL

REGISTERS

V BAT

V BAT

V BAUX

GND

KS

DS1501/DS1511

POWER CONTROL

WRITE PROTECTION,

AND POWER-ON

RESET

256 x 8

NV SRAM

A0–A4

DQ0–DQ7

CE

WE

OE

RST

PWR

Figure 9. Typical Crystal Layout

LOCAL GROUND PLANE (LAYER 2)

X1

CRYSTAL

X2

GND

10 of 22

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