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DS1673S-3+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
DS1673
13 of 18
DC ELECTRICAL CHARACTERISTICS (V
CC
= 3.0V ±10%, T
A
= 0C to +70C.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage
I
LI
-1 +1
A
CS Leakage
I
LO
150
A
7
Logic 1 Output (I
OUT
=-0.4mA) V
OH
2.4 V 2
Logic 0 Output (I
OUT
= 1.5mA) V
OL
0.4 V 3
Active Supply Current (CS = V
CC
- 0.2) I
CCA
0.75 1.0 mA 4
ADC Current
I
ADC
200
A
5
Standby Current (CS = V
IL
)
I
CCS
100
A
6
Battery Current (Oscillator On) I
BAT1
300 500 nA
Battery Standby Current (Oscillator Off) I
BAT2
200 nA
Internal
RST
Pullup Resistor
R
P
35 47 60
k
V
CC
Trip Point V
CCTP
2.5 2.6 2.7 V
V
CC
Switchover V
CCSW
2.30 2.40 2.50 V 12
A/D Reference Voltage V
ADC
2.47 2.55 2.63 V
Pushbutton Detect PB
DV
0.8 2.0 V
Pushbutton Release PB
RD
0.3 0.8 V
Output Voltage V
CCO
V
CC
-0.3 V 11
V
CCO
Output Current (Source = V
CC
) I
CCO1
80 mA 13
V
CCO
Output Current (Source = V
BAT
)
I
CCO2
100
A
14
CAPACITANCE (T
A
= +25C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
I
10 pF
I/O Capacitance C
I/O
15 pF
Crystal Capacitance C
X
6 pF
DS1673
14 of 18
AC ELECTRICAL CHARACTERISTICS (V
CC
= 5.0V ±10%, T
A
= 0C to 70C.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Data to Clock Setup t
DC
50 ns 8
CLK to Data Hold t
CDH
70 ns 8
CLK to Data Delay t
CDD
200 ns 8, 9, 10
CLK to Low Time t
CL
250 ns 8
CLK to High Time t
CH
250 ns 8
CLK Frequency t
CLK
2.0 MHz 8
CLK Rise and Fall t
R
, t
F
500 ns
CS to CLK Setup t
CC
1
s
8
CLK to CS Hold t
CCH
60 ns 8
CS Inactive Time t
CWH
1
s
8
CS to I/O High-Z t
CDZ
70 ns 8
V
CC
Slew Rate (4.5V to 2.3V) t
F
1 ms
V
CC
Slew Rate (2.3V to 4.5V) t
R
0 ns
V
CC
Detect to RST (V
CC
Falling)
t
RPD
100 ns
Reset Active Time t
RST
250 ms 15
Pushbutton Debounce PB
DB
250 ms 15
V
CC
Detect to RST (V
CC
Rising)
t
RPU
250 ms 15, 16
ST Pulse Width
t
ST
20 ns
Chip Enable Propagation Delay to
External SRAM
t
CED
8 15 ns
Nominal Voltage to V
CC
Switchover
Fall Time
t
FB
200
s
DS1673
15 of 18
AC ELECTRICAL CHARACTERISTICS (V
CC
= 3.0V ±10%, T
A
= 0C to +70C.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Data to Clock Setup t
DC
150 ns 8
CLK to Data Hold t
CDH
210 ns 8
CLK to Data Delay t
CDD
600 ns 8, 9, 10
CLK to Low Time t
CL
750 ns 8
CLK to High Time t
CH
750 ns 8
CLK Frequency t
CLK
0.667 MHz 8
CLK Rise and Fall t
R
, t
F
1500 ns
CS to CLK Setup t
CC
3
s
8
CLK to CS Hold t
CCH
180 ns 8
CS Inactive Time t
CWH
3
s
8
CS to I/O High-Z t
CDZ
210 ns 8
V
CC
Slew Rate (2.7V to 2.3V) t
F
300
s
V
CC
Slew Rate (2.3V to 2.7V) t
R
0 ns
V
CC
Detect to RST (V
CC
Falling)
t
RPD
200 ns
Reset Active Time t
RST
250 ms 15
Pushbutton Debounce PB
DB
250 ms 15
V
CC
Detect to RST (V
CC
Rising)
t
RPU
250 ms 15, 16
ST Pulse Width
t
ST
40 ns
Chip Enable Propagation Delay to
External SRAM
t
CED
8 25 ns
Nominal Voltage to V
CC
Switchover
Fall Time
t
FB
300
s
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

DS1673S-3+

Mfr. #:
Buy DS1673S-3+
Manufacturer:
Maxim Integrated
Description:
Real Time Clock Portable System Controller
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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