M24C32-FMB5TG STMicroelectronics, M24C32-FMB5TG Datasheet - Page 19
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M24C32-FMB5TG
Manufacturer Part Number
M24C32-FMB5TG
Description
EEPROM 32Kbit 100kHz I2C 400 kHZ Fast-Mode
Manufacturer
STMicroelectronics
Datasheet
1.M24C32-FDW6TP.pdf
(40 pages)
Specifications of M24C32-FMB5TG
Product Category
EEPROM
Rohs
yes
Memory Size
32 Kbit
Organization
4 K x 8
Data Retention
40 yr
Maximum Clock Frequency
0.4 MHz
Maximum Operating Current
3 mA
Operating Supply Voltage
1.8 V , 2.5 V , 3.3 V , 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
UFDFPN
Access Time
900 ns
Interface Type
I2C
Minimum Operating Temperature
- 20 C
Supply Voltage - Max
5.5 V
Supply Voltage - Min
1.7 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M24C32-FMB5TG
Manufacturer:
ST
Quantity:
500
Company:
Part Number:
M24C32-FMB5TG
Manufacturer:
MAXIM
Quantity:
142
Part Number:
M24C32-FMB5TG
Manufacturer:
ST
Quantity:
20 000
M24C32-W M24C32-R M24C32-F M24C32-X M24C32-DF
5.1.6
Minimizing Write delays by polling on ACK
The maximum Write time (t
parameters, but the typical time is shorter. To make use of this, a polling sequence can be
used by the bus master.
The sequence, as shown in
●
●
●
Figure 8.
1. The seven most significant bits of the Device Select code of a Random Read (bottom right box in the
First byte of instruction
with RW = 0 already
decoded by the device
figure) must be identical to the seven most significant bits of the Device Select code of the Write (polling
instruction in the figure).
Initial condition: a Write cycle is in progress.
Step 1: the bus master issues a Start condition followed by a device select code (the
first byte of the new instruction).
Step 2: if the device is busy with the internal Write cycle, no Ack will be returned and
the bus master goes back to Step 1. If the device has terminated the internal Write
cycle, it responds with an Ack, indicating that the device is ready to receive the second
part of the instruction (the first byte of this instruction having been sent during Step 1).
Write cycle polling flowchart using ACK
ReStart
Stop
NO
w
Figure
) is shown in AC characteristics tables in
NO
Doc ID 4578 Rev 21
Start condition
Device select
addressing the
with RW = 0
Operation is
in progress
Write cycle
returned
memory
ACK
Next
8, is:
YES
Write cperation
Write operation
Continue the
Data for the
YES
NO
and Receive ACK
StartCondition
Send Address
Random Read operation
Section 8: DC and AC
Device select
Continue the
with RW = 1
YES
Instructions
AI01847d
AI01847e
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