M24512-RBN6 STMICROELECTRONICS [STMicroelectronics], M24512-RBN6 Datasheet

no-image

M24512-RBN6

Manufacturer Part Number
M24512-RBN6
Description
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
FEATURES SUMMARY
Table 1. M24512 devices
February 2005
Two-Wire I
Supports 400 kHz Protocol
Supply Voltage Ranges:
Write Control Input
BYTE and PAGE WRITE (up to 128 Bytes)
RANDOM and SEQUENTIAL READ Modes
Self-Timed Programming Cycle
Automatic Address Incrementing
Enhanced ESD/Latch-Up Protection
More than 100,000 Erase/Write Cycles
More than 40-Year Data Retention
Reference
M24512
1.8V to 5.5V (M24512
2.5V to 5.5V (M24512
2
C Serial Interface
Part Number
M24512
M24512
R)
W)
W
R
512 Kbit Serial I²C Bus EEPROM
Figure 1. Packages
TSSOP8 (DW)
8
208 mil width
150 mil width
PDIP8 (BN)
SO8 (MW)
SO8 (MN)
8
8
1
1
1
M24512
1/24

Related parts for M24512-RBN6

M24512-RBN6 Summary of contents

Page 1

... FEATURES SUMMARY 2 Two-Wire I C Serial Interface Supports 400 kHz Protocol Supply Voltage Ranges: – 1.8V to 5.5V (M24512 – 2.5V to 5.5V (M24512 Write Control Input BYTE and PAGE WRITE (up to 128 Bytes) RANDOM and SEQUENTIAL READ Modes Self-Timed Programming Cycle Automatic Address Incrementing Enhanced ESD/Latch-Up Protection ...

Page 2

... M24512 TABLE OF CONTENTS FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 1. M24512 devices Figure 1. Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Logic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Table 2. Signal Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Power On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3. DIP, SO and TSSOP Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SIGNAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Serial Clock (SCL Serial Data (SDA Chip Enable (E0, E1, E2 Write Control (WC Figure 4. Maximum R Value versus Bus Parasitic Capacitance (C) for an I ...

Page 3

... Figure 15.TSSOP8 – 8 lead Thin Shrink Small Outline, Package Outline . . . . . . . . . . . . . . . . . . . 21 Table 19. TSSOP8 – 8 lead Thin Shrink Small Outline, Package Mechanical Data . . . . . . . . . . . . 21 PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Table 20. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Table 21. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 (1) (M24512 – (1) (M24512 – M24512 3/24 ...

Page 4

... Figure 3. DIP, SO and TSSOP Connections 2 C bus definition protocol, Note: See sions, and how to identify pin-1. Table 3.), terminated by an acknowl and 9). In the drops from the normal CC voltage must M24512 SCL SDA AI04035B ...

Page 5

... When Write Control (WC) is driven High, Device Select and Address bytes are acknowledged, Data bytes are not acknowledged. indicates how fc = 100kHz fc = 400kHz 100 C (pF establish the Device Select Bus SDA MASTER SCL C 1000 M24512 , and AI01665b 5/24 ...

Page 6

... M24512 2 Figure Bus Protocol SCL SDA START Condition SCL MSB SDA START Condition 1 SCL MSB SDA Table 3. Device Select Code b7 Device Select Code 1 Note: 1. The most significant bit, b7, is sent first. 2. E0, E1 and E2 are compared against the respective external pins on the memory device. ...

Page 7

... A data transfer can only be initiated by the bus master, which will also provide the serial clock for synchronization. The M24512 device is always a slave in all communication. Start Condition Start is identified by a falling edge of Serial Data (SDA) while Serial Clock (SCL) is stable in the High state ...

Page 8

... M24512 Figure 6. Write Mode Sequences with WC=1 (data write inhibited) WC BYTE WRITE DEV SEL WC PAGE WRITE DEV SEL WC (cont'd) NO ACK PAGE WRITE (cont'd) Write Operations Following a Start condition the bus master sends a Device Select Code with the Read/Write bit (RW) reset to 0. The device acknowledges this, as ...

Page 9

... The transfer is terminated by the bus master generat- ing a Stop condition. ACK ACK DEV SEL BYTE ADDR BYTE ADDR R/W ACK ACK DEV SEL BYTE ADDR BYTE ADDR R/W ACK ACK DATA IN N M24512 ACK ACK DATA IN ACK ACK DATA IN 1 DATA IN 2 AI01106C 9/24 ...

Page 10

... M24512 Figure 8. Write Cycle Polling Flowchart using ACK First byte of instruction with already decoded by the device NO ReSTART STOP Minimizing System Delays by Polling On ACK During the internal Write cycle, the device discon- nects itself from the bus, and writes a copy of the data from its internal latches to the memory cells ...

Page 11

... The counter is then incremented. The bus master terminates the transfer with a Stop condi- tion, as shown in the byte. ACK ACK NO ACK DEV SEL * DATA OUT R/W ACK NO ACK DATA OUT N ACK ACK ACK DEV SEL * DATA OUT 1 R/W AI01105C st th and 4 bytes) must be identical. Figure 9., without acknowledging M24512 11/24 ...

Page 12

... M24512 Sequential Read This operation can be used after a Current Ad- dress Read or a Random Address Read. The bus master does acknowledge the data byte output, and sends additional clock pulses so that the de- vice continues to output the next byte in sequence. To terminate the stream of bytes, the bus master ...

Page 13

... AEC-Q100-002 (compliant with JEDEC Std JESD22-A114A, C1=100pF, R1=1500 , R2=500 ) this specification, is not implied. Exposure to Ab- solute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Parameter 2 M24512 Min. Max. Unit –40 125 °C –65 150 ° ...

Page 14

... AC Characteristic tables that follow are de- rived from tests performed under the Measure- Table 8. Operating Conditions (M24512 – W) Symbol V Supply Voltage CC T Ambient Operating Temperature A Table 9. Operating Conditions (M24512 – R) Symbol V Supply Voltage CC T Ambient Operating Temperature A Table 10. AC Measurement Conditions Symbol ...

Page 15

... V OUT SS CC, V =1.8V 400kHz (rise/fall time < 30ns 0.7 mA related to the new M24512 (process letter “A”) and is subject to change without previous Min. Max 500 100 Min. CC (1) SDA in Hi –0.45 0. 2.5 V Min. ...

Page 16

... To avoid spurious START and STOP conditions, a minimum delay is placed between SCL=1 and the falling or rising edge of SDA. 16/24 Parameter (max) = 10ms W (1) (M24512 – R) Parameter is related to the new M24512 (process letter “A”) and is subject to change without previous Min. Max. 400 600 1300 300 300 ...

Page 17

... Figure 11. AC Waveforms tCHCL SCL tDLCL SDA In tCHDX START Condition SCL SDA In tCHDH STOP Condition SCL tCLQV SDA Out tCLCH tCLDX tDXCX SDA Change SDA Input tW Write Cycle tCLQX Data Valid M24512 tCHDH tDHDL STOP START Condition Condition tCHDX START Condition AI00795C 17/24 ...

Page 18

... M24512 PACKAGE MECHANICAL Figure 12. PDIP8 – 8 pin Plastic DIP, 0.25mm lead frame, Package Outline Note: Drawing is not to scale. Table 16. PDIP8 – 8 pin Plastic DIP, 0.25mm lead frame, Package Mechanical Data Symbol Typ 3.30 b 0.46 b2 1.52 c 0.25 D 9.27 E 7.87 E1 6.35 e 2. 3.30 18/ ...

Page 19

... millimeters Min Max 2.03 0.10 0.25 1.78 0.35 0.45 – – 5.15 5.35 5.20 5.40 – – 7.70 8.10 0.50 0.80 0° 10° inches Typ Min 0.004 0.014 0.008 – 0.203 0.205 0.050 – 0.303 0.020 0° 8 M24512 Max 0.080 0.010 0.070 0.018 – 0.211 0.213 – 0.319 0.031 10° 0.004 19/24 ...

Page 20

... M24512 Figure 14. SO8N – 8 lead Plastic Small Outline, 150 mils body width, Package Outline Note: Drawing is not to scale. Table 18. SO8N – 8 lead Plastic Small Outline, 150 mils body width, Package Mechanical Data Symbol Typ ddd ...

Page 21

... TSSOP8AM inches Typ Min 0.0020 0.0394 0.0315 0.0075 0.0035 0.1181 0.1142 0.0256 – 0.2520 0.2441 0.1732 0.1693 0.0236 0.0177 0.0394 0° 8 M24512 c Max 0.0472 0.0059 0.0413 0.0118 0.0079 0.0039 0.1220 – 0.2598 0.1772 0.0295 8° 21/24 ...

Page 22

... Standard Packing T = Tape and Reel Packing Plating Technology blank = Standard SnPb plating Lead-Free and RoHS compliant For a list of available options (speed, package, etc.) or for further information on any aspect of this 22/24 M24512 – device, please contact your nearest ST Sales Of- fice ...

Page 23

... FFh (not necessarily the same as Erased). section and Table 20., Ordering Information Table 11., Input Parameters values for V = 5.5V added to CC1 CC Table 12., DC Characteristics (M24512 – paragraph specified. Table 14., AC Characteristics (M24512 – W) Table 20., Ordering Information Figure 4., Maximum Bus. (min) and V (min) changed. Soldering IO CC PACKAGE Scheme) ...

Page 24

... M24512 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

Related keywords