CDP68HC68T1EZ Intersil, CDP68HC68T1EZ Datasheet - Page 5

IC RTC 32X8 NVSRAM CMOS 16DIP

CDP68HC68T1EZ

Manufacturer Part Number
CDP68HC68T1EZ
Description
IC RTC 32X8 NVSRAM CMOS 16DIP
Manufacturer
Intersil
Type
Clock/Calendar/NVSRAMr
Datasheet

Specifications of CDP68HC68T1EZ

Memory Size
32B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
SPI, 3-Wire Serial
Voltage - Supply
3 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Functional Block Diagram
CE
LINE
XTAL IN
XTAL OUT
V
CLOCK
OUT
INT
V
V
LINE
V
POR
PSE
CPUR
SCK
MISO
MOSI
BATT
DD
SS
SYS
OSCILLATOR
CONTROL
50/60Hz
POWER
SENSE
CLOCK
LOGIC
AND
INT
PRESCALE
PRESCALE
INT STATUS
SELECT
INTERFACE
REGISTER
SERIAL
INTERRUPT
CONTROL
REGISTER
CONTROL
REGISTER
CLOCK
FREEZE
CIRCUIT
SELECT
FIGURE 1. REAL TIME CLOCK FUNCTIONAL DIAGRAM
CLOCK
SECOND
SECOND
LATCH
32x8
RAM
MINUTE
COMPARATOR
MINUTE
LATCH
AM - PM AND
HOUR LOGIC
HOUR
LATCH
HOUR
8-BIT DATA BUS
CALENDAR
OF WEEK
DAY/DAY
LOGIC
MONTH
YEAR

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