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參數(shù)資料
| 型號： | CAT25040LI-GTD |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | PROM |
| 英文描述： | 128 X 8 SPI BUS SERIAL EEPROM, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, HALOGEN FREE AND ROHS COMPLIANT, MS-001, CASE 646AA-01, DIP-8 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 211K |
| 代理商： | CAT25040LI-GTD |
CAT25010, CAT25020, CAT25040
http://onsemi.com
9
Hold Operation
The HOLD input can be used to pause communication
between host and CAT25010/20/40. To pause, HOLD must
be taken low while SCK is low (Figure 11). During the hold
condition the device must remain selected (CS low). During
the pause, the data output pin (SO) is tristated (high
impedance) and SI transitions are ignored. To resume
communication, HOLD must be taken high while SCK is low.
Design Considerations
The CAT25010/20/40 devices incorporate PowerOn
Reset (POR) circuitry which protects the internal logic
against powering up in the wrong state. The device will
power up into Standby mode after VCC exceeds the POR
trigger level and will power down into Reset mode when
VCC drops below the POR trigger level. This bidirectional
POR behavior protects the device against ‘brownout’
failure following a temporary loss of power.
The CAT25010/20/40 device powers up in a write disable
state and in a low power standby mode. A WREN instruction
must be issued prior to any writes to the device.
After power up, the CS pin must be brought low to enter
a ready state and receive an instruction. After a successful
byte/page write or status register write, the device goes into
a write disable mode. The CS input must be set high after the
proper number of clock cycles to start the internal write
cycle. Access to the memory array during an internal write
cycle is ignored and programming is continued. Any invalid
opcode will be ignored and the serial output pin (SO) will
remain in the high impedance state.
Figure 11. HOLD Timing
SCK
SO
HIGH IMPEDANCE
Dashed Line = mode (1, 1)
tLZ
CS
HOLD
tCD
tHD
tCD
tHZ
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CAT25040RE-1.8TE13REV-C | 512 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| CAT25010GVI-1.8REV-C | 128 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| CAT25010GVI-TE13REV-C | 128 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| CAT25010GYE-REV-B | 128 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| CAT25010RE-1.8REV-B | 128 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT25040P | 功能描述:電可擦除可編程只讀存儲器 (512x8) 4K 2.5-6.0 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25040P-1.8 | 功能描述:電可擦除可編程只讀存儲器 (512x8) 4K 1.8-6.0 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25040PA | 功能描述:電可擦除可編程只讀存儲器 (512x8) 4K 2.5-6.0 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25040PI | 功能描述:電可擦除可編程只讀存儲器 (512x8) 4K 2.5-6.0 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25040PI-1.8 | 功能描述:電可擦除可編程只讀存儲器 (512x8) 4K 1.8-6.0 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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