DS1305E/T&R Maxim Integrated Products, DS1305E/T&R Datasheet - Page 19

• Manufacturer Part Number: DS1305E/T&R
• Description: IC RTC SERIAL ALARM 20-TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Alarmr

Specifications of DS1305E/T&R

• Memory Size: 96B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SPI AC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.) (Figure 12 and Figure 13)
Data to CLK Setup
CLK to Data Hold
CLK to Data Delay
CLK Low Time
CLK High Time
CLK Frequency
CLK Rise and Fall
CE to CLK Setup
CLK to CE Hold
CE Inactive Time
CE to Output High-Z
PARAMETER
t
t
t
t
t
t
t
CWH
t
t
R,
t
CDH
CDD
t
CCH
CLK
CDZ
DC
CH
CL
CC
t
F
SYMBOL
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
19 of 22
MIN
1000
1000
200
280
250
250
240
DC
50
70
60
4
1
4
1
TYP
MAX
2000
800
200
500
280
0.6
2.0
70
UNITS
MHz
ns
ns
ns
ns
ns
ns
μs
ns
μs
ns
NOTES
5,6,7
5,6
5,6
5,6
6
6
6
6
6
6