m34d64-w STMicroelectronics, m34d64-w Datasheet - Page 5

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m34d64-w

Manufacturer Part Number
m34d64-w
Description
64 Kbit Serial I2c Bus Eeprom With Hardware Write Control On Top Quarter Of Memory
Manufacturer
STMicroelectronics
Datasheet

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M34D64
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.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
SO connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device select code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Memory map showing write control area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
I
Write cycle polling flowchart using ACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Read mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Maximum R
Write mode sequences with WC = 0 (data write enabled) . . . . . . . . . . . . . . . . . . . . . . . . . 14
SO8 narrow – 8 lead plastic small outline, 150 mils body width, package outline . . . . . . . 24
2
C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
L
value versus bus capacitance (C
BUS
) for an I
2
C bus . . . . . . . . . . . . . . . . . . 10
List of figures
5/27

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