DS1374U-33 Maxim Integrated Products, DS1374U-33 Datasheet - Page 4

• Manufacturer Part Number: DS1374U-33
• Description: Real Time Clock I2C-Compatible 32-Bi t Binary Counter Wat
• Manufacturer: Maxim Integrated Products

Specifications of DS1374U-33

• Function: Clock, Calendar, Elapsed Time Counter, Watchdog Timekeeper
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: uSOP
• Time Format: Binary

I
Trickle Charger and Reset Input/Output
AC ELECTRICAL CHARACTERISTICS
(V
4
SCL Clock Frequency (Note 17)
Bus Free Time Between STOP
and START Conditions
Hold Time (Repeated) START
Condition (Note 18)
Low Period of SCL Clock
High Period of SCL Clock
Data Hold Time (Notes 19, 20)
Data Setup Time (Note 21)
Start Setup Time
Rise Time of Both SDA and SCL
Signals (Note 17)
Fall Time of Both SDA and SCL
Signals (Note 17)
Setup Time for STOP Condition
Capacitive Load for Each Bus Line
I/O Capacitance (SDA, SCL)
Pulse Width of Spikes That Must
be Suppressed by the Input Filter
Pushbutton Debounce
Reset Active Time
Oscillator Stop Flag (OSF) Delay
2
CC
C, 32-Bit Binary Counter Watchdog RTC with
_____________________________________________________________________
= V
CC(MIN)
PARAMETER
to V
CC(MAX)
, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2) (Figure 1)
SYMBOL
t
t
t
t
t
HD:STA
HD:DAT
SU:STO
SU:DAT
SU:STA
PB
t
t
C
t
f
t
HIGH
t
LOW
BUF
t
RST
OSF
SCL
C
t
t
SP
I/O
R
F
DB
B
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
(Note 17)
(Note 22)
Fast mode
(Figure 2)
(Figure 2)
(Note 23)
CONDITIONS
0.1C
0.1C
20 +
20 +
MIN
100
100
250
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.7
0
0
0
B
B
TYP
250
250
100
30
MAX
1000
400
100
300
300
300
400
0.9
0.9
10
UNITS
kHz
ms
ms
ms
μs
μs
μs
μs
μs
ns
μs
ns
ns
μs
pF
pF
ns