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PDF M24M01-R Data sheet ( Hoja de datos )
| Número de pieza | M24M01-R | |
| Descripción | 1 Mbit serial I2C bus EEPROM | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Features
■ Support I2C bus modes:
– 1 MHz Fast-mode Plus
– 400 kHz Fast mode
– 100 kHz Standard mode
■ M24M01-HR:
1 MHz, 400 kHz, or 100 kHz I2C clock
frequency
■ M24M01-R, M24M01-W:
400 kHz, or 100 kHz I2C clock frequency
■ Single supply voltage:
– 1.8 V to 5.5 V
– 2.5 V to 5.5 V
■ Hardware write control
■ Byte and Page Write (up to 256 bytes)
■ Random and Sequential Read modes
■ Self-timed programming cycle
■ Automatic address incrementing
■ Enhanced ESD/Latch-Up protection
■ More than 1 million Write cycles
■ More than 40-year data retention
■ Packages
– ECOPACK® (RoHS compliant)
M24M01-HR
M24M01-R, M24M01-W
1 Mbit serial I²C bus EEPROM
WLCSP (CS)
SO8 (MN)
150 mils width
SO8 (MW)
208 mils width
Wafer
June 2009
www.DataSheet.in
Doc ID 12943 Rev 7
1/37
www.st.com
1
1 page  
M24M01-R, M24M01-W, M24M01-HR
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.
Figure 15.
Figure 16.
Figure 17.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
SO connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
WLCSP8 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device select code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
M24M01-R/M24M01-W – Maximum Rbus value versus bus parasitic
capacitance (Cbus) for an I2C bus at maximum frequency fC = 400 kHz . . . . . . . . . . . . . . 10
M24M01-HR – Maximum Rbus value versus bus parasitic capacitance
(Cbus) for an I2C bus at maximum frequency fC = 1MHz . . . . . . . . . . . . . . . . . . . . . . . . . . 10
I2C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Write mode sequences with WC = 1 (data write inhibited) . . . . . . . . . . . . . . . . . . . . . . . . . 14
Write mode sequences with WC = 0 (data write enabled) . . . . . . . . . . . . . . . . . . . . . . . . . 16
Write cycle polling flowchart using ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Read mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SO8N – 8-lead plastic small outline, 150 mils body width, package outline . . . . . . . . . . . . 27
SO8W – 8-lead plastic small outline, 208 mils body width, package outline . . . . . . . . . . . 28
WLCSP8 – Wafer level chip scale package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
M24M01-R die plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
www.DataSheet.in
Doc ID 12943 Rev 7
5/37
5 Page 
M24M01-R, M24M01-W, M24M01-HR
Figure 7. I2C bus protocol
SCL
SDA
START
Condition
SDA
Input
SDA
Change
Signal description
STOP
Condition
SCL
SDA
12
MSB
START
Condition
3
789
ACK
SCL 1 2 3
789
SDA
MSB
ACK
STOP
Condition
AI00792B
Table 2.
Device select code
Device type identifier(1)
Chip Enable
address(2)
b7 b6 b5 b4 b3 b2
Device select code
1 0 1 0 E2 E1
1. The most significant bit, b7, is sent first.
2. E1 and E2 are compared against the respective external pins on the memory device.
A16
b1
A16
RW
b0
RW
Table 3.
b15
Most significant address byte
b14 b13 b12
b11
b10
b9
b8
Table 4. Least significant address byte
b7 b6 b5 b4 b3 b2 b1 b0
Doc ID 12943 Rev 7
11/37
www.DataSheet.in
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet M24M01-R.PDF ] | |
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