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PDF M24C32M-FCU Data sheet ( Hoja de datos )
| Número de pieza | M24C32M-FCU | |
| Descripción | 32-Kbit serial I2C bus EEPROM | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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M24C32M-FCU
32-Kbit serial I²C bus EEPROM 4 balls CSP
WLCSP (CU)
Datasheet - preliminary data
Features
• Compatible with all I2C bus modes::
– 1 MHz
– 400 kHz
– 100 kHz
• Memory array:
– 32 Kbit (4 Kbyte) of EEPROM
– Page size: 32 byte
• Specific device code
• Supply voltage range:
– 1.7 V to 5.5V over -40°C / +85°C
• Write
– Byte Write within 5 ms
– Page Write within 5 ms
• Random and sequential Read modes
• Enhanced ESD/Latch-Up protection
• More than 4 million Write cycles
• More than 200-years data retention
• Package
– WLCSP (ECOPACK2®)
February 2016
DocID028229 Rev 3
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/35
www.st.com
1 page  
M24C32M-FCU
List of figures
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4-bump WLCSP connections
(top view, marking side, with balls on the underside) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
I2C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Write mode sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Write mode sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Write cycle polling flowchart using ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Read mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
aMnaIx2imC ubmusRabtums vaaxliumeuvmerfsreuqsubeunscypafCra=si4tic00cakpHazci.ta.n.c.e.
(Cbus) for
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Maximum
for an I2C
Rbus value
bus at fC =
versus
1MHz
bus
....
parasitic
.......
capacitance
..........
(Cbus)
......
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AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Ultra Thin WLCSP- 4-bump, 0.795 x 0.674 mm, wafer level chip scale
package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Thin WLCSP- 4-bump, 0.795 x 0.674 mm, wafer level chip scale
package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DocID028229 Rev 3
5/35
5
5 Page 
M24C32M-FCU
4 Device operation
Device operation
The device supports the I2C protocol. This is summarized in Figure 4. Any device that sends
data on to the bus is defined to be a transmitter, and any device that reads the data to be a
receiver. The device that controls the data transfer is known as the bus master, and the
other as the slave device. A data transfer can only be initiated by the bus master, which will
also provide the serial clock for synchronization. The device is always a slave in all
communications.
Figure 4. I2C bus protocol
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DocID028229 Rev 3
11/35
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet M24C32M-FCU.PDF ] | |
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