M24128-BR STMICROELECTRONICS [STMicroelectronics], M24128-BR Datasheet - Page 5
M24128-BR
Manufacturer Part Number
M24128-BR
Description
128 Kbit, 64 Kbit and 32 Kbit serial I2C bus EEPROM
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M24128-BR.pdf
(34 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M24128-BRDW6TP
Manufacturer:
ST
Quantity:
9 259
Part Number:
M24128-BRDW6TP
Manufacturer:
ST
Quantity:
20 000
Part Number:
M24128-BRMN6TP
Manufacturer:
ST
Quantity:
20 000
M24128, M24C64, M24C32
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.
Figure 16.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DIP, SO, TSSOP and UFDFPN connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device select code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Maximum RP value versus bus parasitic capacitance (C) for an I2C bus . . . . . . . . . . . . . . 9
I
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AC test measurement I/O waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
PDIP8 – 8 pin Plastic DIP, 0.25mm lead frame, package outline . . . . . . . . . . . . . . . . . . . . 27
SO8 narrow – 8 lead Plastic Small Outline, 150 mils body width, package outline . . . . . . 28
TSSOP8 – 8 lead Thin Shrink Small Outline, package outline . . . . . . . . . . . . . . . . . . . . . . 29
UFDFPN8 (MLP8) – 8-lead Ultra thin Fine pitch Dual Flat Package No lead
2 × 3mm, package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2
C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
List of figures
5/34