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參數(shù)資料
| 型號： | ST24W16 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Serial 16K (2K x 8) EEPROM(串行16K EEPROM) |
| 中文描述： | 串行16K的（2K × 8）的EEPROM（串行16K的EEPROM中） |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 149K |
| 代理商： | ST24W16 |
AI01100
VCC
CBUS
SDA
RL
MASTER
RL
SCL
CBUS
100
200
300
400
0
4
8
12
16
20
CBUS (pF)
R
)
VCC = 5V
Figure 3. Maximum R
L
Value versus Bus Capacitance (C
BUS
) for an I
2
C Bus
SIGNALS DESCRIPTION
Serial Clock (SCL).
The SCL input signal is used
to synchronise all data in and out of the memory. A
resistor can be connected from the SCL line to V
CC
to act as a pull up (see Figure 3).
Serial Data (SDA).
The SDA signal is bi-directional
and is used to transfer data in or out of the memory.
It is an open drain output that may be wire-OR’ed
with other open drain or open collector signals on
the bus. A resistor must be connected from the SDA
bus line to V
CC
to act as pull up (see Figure 3).
Protected Block Select (PB0, PB1).
PB0 and PB1
input signals select the block in the upper part of
the memory where write protection starts. These
inputs have a CMOS compatible input level.
Protect Enable (PRE).
The PRE input signal, in
addition to the status of the Block Address Pointer
bit (b2, location 7FFh as in Figure 7), sets the PRE
write protection active.
Mode (MODE).
The MODE input is available on pin
7 (see also WC feature) and may be driven dynami-
cally. It must be at V
IL
or V
IH
for the Byte Write
mode, V
IH
for Multibyte Write mode or V
IL
for Page
Write mode. When unconnected, the MODE input
is internally read as V
IH
(Multibyte Write mode).
Write Control (WC).
An hardware Write Control
feature is offered only for ST24W16 and ST25W16
versions on pin 7. This feature is usefull to protect
the contents of the memory from any erroneous
erase/write cycle. The Write Control signal is used
to enable (WC at V
IH
) or disable (WC at V
IL
) the
internal write protection. When unconnected, the
WC input is internally read as V
IL
. The devices with
this Write Control feature no longer supports the
Multibyte Write mode of operation, however all
other write modes are fully supported.
Refer to the AN404 Application Note for more de-
tailed information about Write Control feature.
4/17
ST24/25C16, ST24/25W16
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST25C16 | Serial 16K (2K x 8) EEPROM(串行16K EEPROM) |
| ST25W16 | Serial 16K (2K x 8) EEPROM(串行16K EEPROM) |
| ST25E32 | 32K SERIAL I2C EEPROM with EXTENDED ADDRESSING |
| ST25E32B1TR | 32K SERIAL I2C EEPROM with EXTENDED ADDRESSING |
| ST25E32B3TR | 32K SERIAL I2C EEPROM with EXTENDED ADDRESSING |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST24W16B1 | 功能描述:電可擦除可編程只讀存儲器 RO 511-M24C16-BN6 DIP-8 16K SER 電可擦除可編程只讀存儲器 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| ST24W16B1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16 Kbit Serial I2C Bus EEPROM with User-Defined Block Write Protection |
| ST24W16B3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| ST24W16B3TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16 Kbit Serial I2C Bus EEPROM with User-Defined Block Write Protection |
| ST24W16B5TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:16 Kbit Serial I2C Bus EEPROM with User-Defined Block Write Protection |
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