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CAT93C56, CAT93C57
Erase All
Upon receiving an ERAL command (Figure 7), the CS
(Chip Select) pin must be deselected for a minimum of
t CSMIN . The falling edge of CS will start the self clocking
clear cycle of all memory locations in the device. The
clocking of the SK pin is not necessary after the device has
entered the self clocking mode. The ready/busy status of the
CAT93C56/57 can be determined by selecting the device
and polling the DO pin. Once cleared, the contents of all
memory bits return to a logical “1” state.
Write All
Upon receiving a WRAL command and data, the CS
(Chip Select) pin must be deselected for a minimum of
t CSMIN (Figure 8). The falling edge of CS will start the self
clocking data write to all memory locations in the device.
The clocking of the SK pin is not necessary after the device
has entered the self clocking mode. The ready/busy status of
the CAT93C56/57 can be determined by selecting the device
and polling the DO pin. It is not necessary for all memory
locations to be cleared before the WRAL command is
executed.
SK
CS
STATUS VERIFY
t CS
STANDBY
DI
1
0
0
1
0
t SV
t HZ
DO
HIGH ? Z
BUSY
READY
HIGH ? Z
t EW
Figure 7. ERAL Instruction Timing
SK
CS
STATUS VERIFY
t CSMIN
STANDBY
DI
1
0
0
0
1
D N
D 0
t SV
t HZ
DO
BUSY
READY
HIGH ? Z
t EW
Figure 8. WRAL Instruction Timing
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相关代理商/技术参数
CAT93C56XI-1.8
功能描述:电可擦除可编程只读存储器 (256x8) (128x16) 2K
RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT93C56XI-1.8-GT2E
制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit Microwire Serial EEPROM
CAT93C56XI-1.8-GT3E
制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit Microwire Serial EEPROM
CAT93C56XI-1.8T2E
制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit Microwire Serial EEPROM
CAT93C56XI-1.8T3E
制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit Microwire Serial EEPROM
CAT93C56XI-1.8TE13
制造商:未知厂家 制造商全称:未知厂家 功能描述:EEPROM
CAT93C56XI-GT2
制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2-Kb Microwire Serial CMOS EEPROM
CAT93C56XI-GT2E
制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:2K-Bit Microwire Serial EEPROM