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PDF DS2404S-C01 Data sheet ( Hoja de datos )
| Número de pieza | DS2404S-C01 | |
| Descripción | Dual Port Memory Plus Time | |
| Fabricantes | Dallas Semiconducotr | |
| Logotipo |  |
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DS2404S-C01
Dual Port Memory Plus Time
www.maxim-ic.com
FEATURES
Bridge for electronic equipment to the
1-Wire® MicroLAN
4096 bits of nonvolatile dual-port memory
including real time clock/calendar in binary
format, programmable interval timer, and
programmable power-on cycle counter
1-Wire interface for MicroLAN
PIN ASSIGNMENT
VCC
IRQ
RST
DQ
1
2
3
4
16 VCC
15 X1
14 X2
13 GND
communication at 16.3 kbits per second
3-Wire host interface for high-speed data
communications at 2M bits per second
Unique, factory-lasered and tested 64-bit
I/O
CLK
NC
5
6
7
12 NC
11 1HZ
10 VBATO
registration number (8-bit family code +
GND 8
9 VBATB
48-bit serial number + 8–bit CRC tester)
assures absolute traceability because no two
16-Pin SOIC (300 mil)
See Mech. Drawings
parts are alike
Memory partitioned into 16 pages of 256-bits
for packetizing data
256-bit scratchpad with strict read/write
protocols ensures integrity of data transfer
Programmable alarms can be set to generate
Section
PIN DESCRIPTION
Pin #
Pin Name Description
Pin 1&16 - VCC
Pin 2
- IRQ
2.8 to 5.5V
Interrupt Output
interrupts for interval timer, real time clock,
Pin 3
- RST
3-Wire Reset Input
and/or cycle counter
Space saving 16-pin SOIC package
Operating temperature range from -40°C to
Pin 4
Pin 5
Pin 6
- DQ
- I/O
- CLK
3-Wire Input/Output
1-Wire Input/Output
3-Wire Clock Input
+85°C
Operating voltage range from 2.8 to 5.5V
Pin 7 & 12 - NC
Pin 8 & 13 - GND
No Connection
Ground
Pin 9
Pin 10
Pin 11
- VBATB
- VBATO
- 1 Hz
Battery Backup Input
Battery Operate Input
1 Hz Output
DESCRIPTION
Pin 14 & 15 - X1, X2 Crystal Connections
In order to provide universal access to the MicroLAN, the DS2404S-C01 Dual Port Memory Plus Time
has been developed. This device has both 1-Wire and a 3-wire serial microcontroller interface. The
DS2404S-C01 can be used to make complex functions involving microcontrollers behave as if they were
iButtons.
Being a custom-ROM version of the DS2404, the DS2404S-C01 has the family code 84H. In addition to
this, the 12 most significant bits of the serialization field are coded 001H, leaving 28 bits for serialization.
The communication with the DS2404S-C01 through the 1-Wire port is identical to the DS1994; all
functions of the DS1994 are available.
1-Wire is a registered trademark of Dallas Semiconductor.
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| PDF Descargar | [ Datasheet DS2404S-C01.PDF ] | |
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