M2201 SGS-Thomson-Microelectronics, M2201 Datasheet

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M2201

Manufacturer Part Number
M2201
Description
2-WIRES 1 KBIT (X8) SERIAL EEPROM
Manufacturer
SGS-Thomson-Microelectronics
Datasheet

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DESCRIPTION
The M2201 is a simplified 2-wire bus 1 Kbit electri-
cally erasable programmable memory (EEPROM),
organized as 128 x8 bits. It is manufactured in
STMicroelectronics’s Hi-Endurance Advanced
CMOS technology which guarantees a data reten-
tion of 100 years at 55 C.
The M2201 is available in Plastic Dual-in-Line,
Plastic Small Outline and Thin Shrink Small Out-
line packages.
The memory is compatible with a two wire serial
interface which uses a bi-directional data bus and
serial clock. Read and write operations are initi-
ated by a START condition generated by the bus
master and ended by a STOP condition.
Address bits and RW bit are defined in one single
byte, instead of two (or three) bytes for the standard
I
Table 1. Signal Names
July 1999
2
C protocol.
SDA
SCL
WC
V
V
TWO WIRE SERIAL INTERFACE
100.000 ERASE/WRITE CYCLES with
100 YEARS DATA RETENTION at 55 C
SINGLE SUPPLY VOLTAGE:
– 4.5V to 5.5V for M2201 version
– 2.7V to 5.5V for M2201V version
HARDWARE WRITE CONTROL
100 KBIT TRANSFER RATE
BYTE WRITE
PAGE WRITE (up to 4 BYTES)
SELF TIMED PROGRAMMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH UP
CC
SS
Serial Data Input/Output
Serial Clock
Write Control
Supply Voltage
Ground
2-Wires 1 Kbit (x8) Serial EEPROM
Figure 1. Logic Diagram
0.25mm Frame
SCL
WC
PSDIP8 (B)
8
1
TSSOP8 (DW)
V CC
169 mil width
V SS
M2201
8
1
150mil Width
SO8 (M)
8
M2201
1
SDA
AI01321
1/15

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M2201 Summary of contents

Page 1

... PAGE WRITE ( BYTES) SELF TIMED PROGRAMMING CYCLE AUTOMATIC ADDRESS INCREMENTING ENHANCED ESD/LATCH UP DESCRIPTION The M2201 is a simplified 2-wire bus 1 Kbit electri- cally erasable programmable memory (EEPROM), organized as 128 x8 bits manufactured in STMicroelectronics’s Hi-Endurance Advanced CMOS technology which guarantees a data reten- tion of 100 years ...

Page 2

... In the same way, when V operating voltage to below the POR threshold value, all operations are disabled and the device will not respond to any command. A stable V must be applied before applying any logic signal. M2201 ...

Page 3

... SDA bus low to acknowledge the receipt of the 8 bits of data. Data Input. During data input the M2201 sample the SDA bus signal on the rising edge of the clock SCL. Note that for correct device operation the SDA ...

Page 4

... V Input Low Voltage (SCL, SDA Input High Voltage (SCL, SDA Input Low Voltage (WC Input High Voltage (WC) IH Output Low Voltage (M2201 Output Low Voltage (M2201V) 4/ 100 kHz ) A Parameter Test Condition 4.5V to 5.5V or 2.7V to 5.5V) CC Test Condition ...

Page 5

... Figure 4. AC Testing Input Output Waveforms 0. 4.5V to 5.5V or 2.7V to 5.5V) CC Parameter Memory Addressing. To start communication be- tween the bus master and the slave M2201, the 50ns master must initiate a START condition. Following this, the master sends onto the SDA bus line 8 bits 0.2V to 0.8V CC ...

Page 6

... M2201 Figure 5. AC Waveforms SCL SDA IN START CONDITION SCL tCLQV SDA OUT SCL SDA IN tCHDH STOP CONDITION 6/15 tCHCL tDLCL tCHDX tCLDX SDA SDA INPUT CHANGE tCLQX DATA VALID DATA OUTPUT tW WRITE CYCLE tCLCH tDXCX tCHDH tDHDL STOP & BUS FREE tCHDX ...

Page 7

... The maximum value of the write time (t AC Characteristics table, since the typical time is shorter, the time seen by the system may be re- SDA SDA INPUT CHANGE given in the W STOP CONDITION ACK ACK STOP CONDITION AI00792 M2201 7/15 ...

Page 8

... M2201 DEVICE OPERATION (cont’d) duced by an ACK polling sequence issued by the master. The sequence is as follows: – Initial condition: a Write is in progress (see Fig- ure 7). – Step 1: the Master issues a START condition followed by a Device Select byte (1st byte of the new instruction). ...

Page 9

... RW bit (set to ’1’). The M2201 acknowledges it and outputs the corresponding data byte. The master does acknowledge this byte and reads the next data byte (at address + 1). The read operation is Figure 8. Write Modes Sequences with Write Control = 1 (M2201 and M2201V) WC BYTE WRITE WC ...

Page 10

... M2201 Figure 9. Write Modes Sequences (M2201 and M2201V) BYTE WRITE PAGE WRITE Figure 10. Read Modes Sequences BYTE READ SEQUENTIAL READ 10/15 ACK ACK Byte-Address Data-In R/W=0 ACK ACK Byte-Address Data-In1 R/W=0 ACK ACK Data-In N ACK NO ACK BYTE ADDR DATA OUT R ACK ACK BYTE ADDR ...

Page 11

... For a list of available options (Operating Voltage, Package, etc...) or for further information please contact the STMicroelectronics Sales Office nearest to you. M2201 Package Temperature Range B PSDIP8 1 0.25mm Frame 6 M SO8 150mil Width TSSOP8 169mil width Option Tape & Reel Packing – M2201 11/15 ...

Page 12

... M2201 PSDIP8 - 8 pin Plastic Skinny DIP, 0.25mm lead frame Symb Typ 7. 2. Drawing is not to scale. 12/15 mm Min Max 3.90 5.90 0.49 – 3.30 5.30 0.36 0.56 1.15 1.65 0.20 0.36 9.20 9.90 – – 6.00 6.70 – – 7.80 – 10.00 3.00 3. inches Typ Min 0.154 0.232 0.019 ...

Page 13

... Drawing is not to scale. mm Min Max 1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 4.80 5.00 3.80 4.00 – – 5.80 6.20 0.25 0.50 0. inches Typ Min 0.053 0.069 0.004 0.010 0.013 0.020 0.007 0.010 0.189 0.197 0.150 0.157 0.050 – 0.228 0.244 0.010 0.020 0.016 0.035 0 8 0.004 h x 45˚ M2201 Max – 8 13/15 ...

Page 14

... M2201 TSSOP8 - 8 lead Plastic Thin Shrink Small Outline, 169 mils body width Symb Typ 0. Drawing is not to scale. 14/15 mm Min Max 1.10 0.05 0.15 0.85 0.95 0.19 0.30 0.09 0.20 2.90 3.10 6.25 6.50 4.30 4.50 – – 0.026 0. inches Typ Min Max 0.043 0.002 0.006 ...

Page 15

... STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. © 1999 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES http://www.st.com M2201 15/15 ...

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