CDP68HC68T1M Intersil, CDP68HC68T1M Datasheet - Page 19
![IC RTC 32X8 NVSRAM CMOS 20-SOIC](/photos/6/58/65875/20-20-soic_sml.jpg)
CDP68HC68T1M
Manufacturer Part Number
CDP68HC68T1M
Description
IC RTC 32X8 NVSRAM CMOS 20-SOIC
Manufacturer
Intersil
Type
Clock/Calendar/NVSRAMr
Datasheet
1.CDP68HC68T1EZ.pdf
(23 pages)
Specifications of CDP68HC68T1M
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
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CDP68HC68T1M
Manufacturer:
AD
Quantity:
101
Part Number:
CDP68HC68T1M
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
CDP68HC68T1M2Z
Manufacturer:
Intersil
Quantity:
1 716
Part Number:
CDP68HC68T1M2Z
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
CDP68HC68T1MZ
Manufacturer:
Intersil
Quantity:
2 880
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