DS1500YEN Maxim Integrated Products, DS1500YEN Datasheet - Page 5

• Manufacturer Part Number: DS1500YEN
• Description: IC RTC Y2KC W/NV CTRL 5V 32TSOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/WDT/NVSRAM/Y2Kr

Specifications of DS1500YEN

• Memory Size: 2K (256 x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 2. Write Cycle Timing, Write-Enable-Controlled
Figure 3. Write Cycle Timing, Chip-Select-Controlled
DQ0-DQ7
W E
CS
A0-A4
DQ0-DQ7
W E
A0-A4
CS
DATA OUTPUT
t
AS
t
AS
t
AS
t
AS
VALID
VALID
t
W EZ
t
W C
t
W C
t
t
CSW
W EW
t
5 of 19
DS
DATA INPUT
DATA INPUT
t
t
AH
DH
t
t
AH
DH
t
W R
t
W R
VALID
DATA INPUT
VALID
DATA INPUT