CDP68HC68T1E Intersil, CDP68HC68T1E Datasheet - Page 19

IC RTC 32X8 NVSRAM CMOS 16-DIP

CDP68HC68T1E

Manufacturer Part Number
CDP68HC68T1E
Description
IC RTC 32X8 NVSRAM CMOS 16-DIP
Manufacturer
Intersil
Type
Clock/Calendar/NVSRAMr
Datasheet

Specifications of CDP68HC68T1E

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
Contains lead / RoHS non-compliant

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System Diagrams
0.047
20k
LINE
1k
AC
V
DD
RTC
CHARGE
REGULATOR
19
(Continued)
R
FIGURE 18. EXAMPLE OF A SYSTEM WITH A BATTERY BACKUP
0.1
POR
V
XTAL
LINE
BATT
100k
V
V
DD
SS
CDP68HC68T1
CPUR
V
CLK
OUT
PSE
SYS
INT
SPI
CE
NC
V
DD
3
RESET
IRQ
OSC1
PORT
SPI
CDP68HC05C4B
V
V
DD
SS
(EPS)
ENABLED
POWER
SUPPLY
October 29, 2007
FN1547.8

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