M24256-BRDW6G STMICROELECTRONICS [STMicroelectronics], M24256-BRDW6G Datasheet - Page 5

• Manufacturer Part Number: M24256-BRDW6G
• Description: 512 Kbit and 256 Kbit Serial I2C bus EEPROM with three Chip Enable lines
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M24512-W, M24512-R, M24256-BW, M24256-BR
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
SO and TSSOP connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device Select Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Maximum R
I
Write mode sequences with WC = 1 (data write inhibited) . . . . . . . . . . . . . . . . . . . . . . . . . 13
Write Mode sequences with WC = 0 (data write enabled) . . . . . . . . . . . . . . . . . . . . . . . . . 15
Write Cycle Polling Flowchart using ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Read mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AC test measurement I/O waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SO8W – 8 lead Plastic Small Outline, 208 mils body width, package outline. . . . . . . . . . . 25
SO8N – 8 lead Plastic Small Outline, 150 mils body width, Package Outline . . . . . . . . . . 26
TSSOP8 – 8 lead Thin Shrink Small Outline, package outline . . . . . . . . . . . . . . . . . . . . . . 27
2
C Bus Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
P
Value versus Bus Parasitic Capacitance (C) for an I
2
C Bus . . . . . . . . . . . . . 9
List of figures
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