DS1670E/T&R Maxim Integrated Products, DS1670E/T&R Datasheet - Page 16

• Manufacturer Part Number: DS1670E/T&R
• Description: IC CTRLR SYSTEM PORTABLE 20TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Portable System Controllerr

Specifications of DS1670E/T&R

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: 3-Wire Serial
• Voltage - Supply: 2.97 V ~ 3.63 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
• Memory Size: -

NOTES:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Load capacitance = 50 pF.
11. I
12. V
13. Current from V
14. Current from V
15. Time base is generated by very accurate crystal oscillator. Accuracy of this time period is based on
16. If the
PACKAGE INFORMATION
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Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product.
No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.
M a x i m I n t e g r a t e d P r o d u c t s , 1 2 0 S a n G a b r i e l D r i v e , S u n n y v a l e , C A 9 4 0 8 6 4 0 8 - 7 3 7 - 7 6 0 0
PACKAGE TYPE
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All voltages are referenced to ground.
Logic 1 voltages are specified at V
Logic 0 voltages are specified at V
I
DAC enabled.
I
I
CS has a 40k pulldown resistor to ground.
Measured at V
Measured at V
the crystal that is used. A typical crystal with a specified load capacitance of 6pF will provide an
accuracy within ±100ppm over the 0°C to +70°C temperature range.
of the crystal oscillator.
20 TSSOP
CCA
ADC
CCS
CCO
CCO
20 SO
is specified with CS, V
is specified with CS, V
= 100 mA, V
is specified with outputs open, CS set to a logic 1, SCLK = 500kHz, oscillator enabled, and
switchover from V
EOSC
bit in the Control Register is set to a logic 1, t
IH
OH
CC
BAT
= 2.0V or V
PACKAGE CODE
= 2.4V or V
CC
input pin to V
input pin to V
> V
W20+1
U20+1
CCTP
CC
to V
CCO
CCO
.
IL
OL
= 0.8V and 10ns maximum rise and fall time.
open and I/O, SCLK at logic 0. ADC is disabled.
BAT
open and I/O, SCLK at logic 0. ADC is enabled.
CCO
= 0.4V.
CCO
CC
CC
© 2005 Maxim Integrated Products
occurs when V
output pin.
output pin.
= 3.3V, V
= 3.3V, V
DOCUMENT NO.
21-0066
21-0042
16 of 16
OH
OL
= GND for capacitive loads.
= V
CC
drops below the lower of V
CC
for capacitive loads. Excludes
RPU
is equal to 250ms plus the startup time
CCSW
and V
RST
pin.
BAT
DS1670
.