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| 型號： | 24AA128IST |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | EEPROM |
| 英文描述： | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| 中文描述： | 該CAT24FC02是一個(gè)2 KB的EEPROM的國內(nèi)256個(gè)8位每字舉辦的串行CMOS |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 185K |
| 代理商： | 24AA128IST |
24AA128/24LC128
DS21191B-page 8
1998 Microchip Technology Inc.
7.0
ACKNOWLEDGE POLLING
Since the device will not acknowledge during a write
cycle, this can be used to determine when the cycle is
complete (This feature can be used to maximize bus
throughput.) Once the stop condition for a write com-
mand has been issued from the master, the device ini-
tiates the internally timed write cycle. ACK polling can
be initiated immediately. This involves the master
sending a start condition, followed by the control byte
for a write command (R/W = 0). If the device is still busy
with the write cycle, then no ACK will be returned. If no
ACK is returned, then the start bit and control byte must
be resent. If the cycle is complete, then the device will
return the ACK, and the master can then proceed with
the next read or write command. See Figure 7-1 for
flow diagram.
FIGURE 7-1:
ACKNOWLEDGE POLLING
FLOW
Send
Write Command
Send Stop
Condition to
Initiate Write Cycle
Send Start
Send Control Byte
with R/W = 0
Did Device
Acknowledge
(ACK = 0)
Next
Operation
NO
YES
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參數(shù)描述 |
|---|---|
| 24AA128SC/S15K | 制造商:Microchip Technology Inc 功能描述:128K I2C SMARTCARD EE DIE IN WAFFLE PK - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA128SC/W15K | 制造商:Microchip Technology Inc 功能描述:128K I2C SMARTCARD EE WAFER - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA128SC/WF15K | 制造商:Microchip Technology Inc 功能描述:128K I2C SMARTCARD EE WAFER ON FRAME - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA128SC-I/S16K | 功能描述:電可擦除可編程只讀存儲(chǔ)器 128K I2C SMARTCARD EE DIE IN WAFFLE PACK, IND RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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 |
| 24AA128SC-I/W16K | 功能描述:電可擦除可編程只讀存儲(chǔ)器 128K I2C SMARTCARD EE WAFER, IND RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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 |
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