DS1305EN+ Maxim Integrated Products, DS1305EN+ Datasheet - Page 21

• Manufacturer Part Number: DS1305EN+
• Description: IC RTC SERIAL ALARM IND 20-TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Alarmr

Specifications of DS1305EN+

• 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: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Function: Clock/Calendar/Alarm
• Rtc Memory Size: 96 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (3-Wire, SPI)
• Supply Current: 1.28 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NOTES:
1) I
2) I
3) Measured at V
4) Measured with 50pF load.
5) Measured at V
6) I
7) V
8) V
9) V
10) V
11) V
12) Using a crystal on X1 and X2, rated for 6pF load.
at V
(oscillator disabled).
CC1T
CC1A
CC1S
CC
CC2
CC1
CC1
CCIF
CC
= V
= 0V.
= 0V.
< V
and I
and I
must be less than or equal to the largest of V
and I
= 2.0V, V
CC1
BAT.
CC2T
CC2S
, when V
CC2A
IH
OH
are specified with CE set to a logic 0 and
are specified with CE set to a logic 0. The
IL
= 2.0V or V
are specified with CE = V
= 2.4V or V
= 0V, V
CC1
> V
IH
CC2
IL
= V
OL
= 0.8V and 10ms maximum rise and fall time.
+ 0.2V (typical); V
= 0.4V.
CC
, and
EOSC
21 of 22
CC
, SCLK=2MHz at V
bit = 0 (oscillator enabled).
CC1
CC
, V
= V
CC2
EOSC
CC2
, and V
, when V
bit = 0 (oscillator enabled).
EOSC
BAT
CC2
CC
.
bit must be set to logic 1
= 5V; SCLK = 500kHz
> V
CC1
.