参数资料
型号: FT93C46A-ISR-T
厂商: Fremont Micro Devices USA
文件页数: 1/19页
文件大小: 0K
描述: IC EEPROM 1KBIT 2MHZ 8SOP
标准包装: 1
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 1K(128 x 8 或 64 x 16)
速度: 250kHz,1MHz,2MHz
接口: 3 线串口
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOP
包装: 标准包装
其它名称: 1219-1133-6

93C46/A, 93C56/A, 93C66/A
3-Wire Serial EEPROM
1K, 2K and 4Kbit (8-bit or 16-bit wide)
FEATURES
Standard Voltage and Low Voltage Operation:
?
FT93C46/56/66:
V CC = 2.5V to 5.5V
?
FT93C46A/56A/66A: V CC = 1.8V to 5.5V
User Selectable Internal Organization:
?
?
FT93C46:
FT93C56:
128 x 8 or 64 x 16
256 x 8 or 128 x 16
?
FT93C66: 512 x 8 or 256 x 16
2 MHz Clock Rate (5V) Compatibility.
Industry Standard 3-wire Serial Interface.
Self-Timed ERASE/WRITE Cycles (5ms max including auto-erase).
Automatic ERAL before WRAL.
Sequential READ Function.
High Reliability: Typical 1 Million Erase/Write Cycle Endurance.
100 Years Data Retention.
Industrial Temperature Range (-40 o C to 85 o C).
Standard 8-pin PDIP/SOIC/TSSOP Pb-free Packages.
DESCRIPTION
The FT93C46/56/66 series are 1024/2048/4096 bits of serial Electrical Erasable and Programmable Read Only
Memory, commonly known as EEPROM. They are organized as 64/128/256 words of 16 bits each when the ORG
pin is connected to VCC (or unconnected) and 128/256/512 words of 8 bits (1 byte) each when the ORG pin is tied
to ground. The devices are fabricated with proprietary advanced CMOS process for low power and low voltage
applications. These devices are available in standard 8-lead PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP
packages. Our extended V CC range (1.8V to 5.5V) devices enables wide spectrum of applications.
The FT93C46/56/66 is enabled through the Chip Select pin (CS), and accessed via a 3-wire serial interface
consisting of Data Input (DI), Data Output (DO), and Shift Clock (SCL). Upon receiving a READ instruction at DI,
the address is decoded and the data is clocked out serially on the data output pin DO. The WRITE cycle is
completely self-timed and no separate ERASE cycle is required before WRITE. The WRITE cycle is only enabled
when the part is in the ERASE/WRITE ENABLE state. Once a device begins its self-timed program procedure, the
data out pin (DO) can indicate the READY/BUSY status by rising chip select (CS).
? 2007 Fremont Micro Devices Inc.
DS320E-page 1
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