CDP68HC68T1M2 Intersil, CDP68HC68T1M2 Datasheet - Page 19

• Manufacturer Part Number: CDP68HC68T1M2
• Description: IC RTC 32X8 NVSRAM CMOS 16-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/NVSRAMr

Specifications of CDP68HC68T1M2

• 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: 16-SOIC (0.300", 7.5mm Width)
• Digital Ic Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +85°C
• Peak Reflow Compatible (260 C): No
• Current Rating: 12A
• Leaded Process Compatible: No
• Rohs Compliant: No
• Bus Type: Serial (3-Wire, SPI)
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: SOIC W
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 16
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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