CDP68HC68T1M2 Intersil, CDP68HC68T1M2 Datasheet - Page 17

• 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

Timing Diagrams
System Diagrams
NOTE: Example of a system in which power is always on. Clock circuit driven by line input frequency.
MOSI
SCK
CE
MOSI
MISO
LINE
SCK
CE
AC
I
I
17
4
5
W/R
REGULATOR
5
W/R
BRIDGE
4
FIGURE 16. POWER-ON ALWAYS SYSTEM DIAGRAM
A6
FIGURE 14. WRITE-CYCLE TIMING WAVEFORMS
FIGURE 15. READ-CYCLE TIMING WAVEFORMS
A6
3
3
LINE
CDP68HC68T1
V
XTAL IN
BATT
A0
CDP68HC68T1
V
A0
DD
A
CPUR
MOSI
MISO
V
POR
SCK
A
SYS
INT
CE
C
C
V
DD
D7
D7
8
O
7
5
O
CDP68HC05C8B
IRQ
RESET
PORT
SCK
MOSI
MISO
D6
D6
O
O
V
DD
D1
N
DI
N
DO
2
DO
N
11
2
N
12
8
October 29, 2007
FN1547.8