原装现货 M24C01 欢迎询价

型号：
M24C01
厂家：
ST
批号：
13+
封装：
SOP-8

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SIGNAL DESCRIPTION

Serial Clock (SCL). This input signal is used to

strobe all data in and out of the devICe. In applica-

tions where this signal is used by slave devices to

synchronize the bus to a slower clock, the bus

master must have an open drain output, and a

pull-up resistor can be connected from Serial

Clock (SCL) to VCC. (Figure 4. indicates how the

value of the pull-up resistor can be calculated). In

most applications, though, this method of synchro-

nization is not employed, and so the pull-up resis-

tor is not necessary, provided that the bus master

has a push-pull (rather than open drain) output.

Serial Data (SDA). This bi-directional signal is

used to transfer data in or out of the device. It is an

open drain output that may be wire-OR’ed with

other open drain or open collector signals on the

bus. A pull up resistor must be connected from Se-

rial Data (SDA) to VCC. (Figure 4. indicates how

the value of the pull-up resistor can be calculated).

Chip Enable (E0, E1, E2). These input signals

are used to set the value that is to be looked for on

the three least significant bits (b3, b2, b1) of the 7-

bit Device Select Code. These inputs must be tied

to VCC or VSS, to establish the Device Select

Code.

Write Control (WC). This input signal is useful

for protecting the entire contents of the memory

from inadvertent write operations. Write opera-

tions are disabLED to the entire memory array when

Write Control (WC) is driven High. When uncon-

nected, the signal is internally read as VIL, and

Write operations are allowed.

When Write Control (WC) is driven High, Device

Select and Address bytes are acknowledged,

Data bytes are not acknowledge

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