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

• Manufacturer Part Number: M24256-BHR
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M24512-x, M24256-Bx
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.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
SO and TSSOP connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device select code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
M24xxx-R and M24xxx-W – Maximum R
capacitance (C
M24xxx-HR – Maximum R
(C
I
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
AC test measurement I/O waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
SO8W – 8-lead plastic small outline, 208 mils body width, package outline . . . . . . . . . . . 27
SO8N – 8-lead plastic small outline, 150 mils body width, package outline . . . . . . . . . . . . 28
TSSOP8 – 8-lead thin shrink small outline, package outline . . . . . . . . . . . . . . . . . . . . . . . 29
2
C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
bus
) for an I
2
C bus at maximum frequency f
bus
) for an I
2
bus
C bus at maximum frequency f
value versus bus parasitic capacitance
bus
value versus bus parasitic
C
= 1 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . 10
C
= 400 kHz . . . . . . . . . . . . . . 10
List of figures
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