Datasheet > K24C020-DCR-S

K24C020-DCR-S

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
伊泰克 - ESTEK		光电二极管
页数	文件大小	规格书
13页	1114K
描述
8-lead PDIP, 8-lead SOP and 8-lead TSSOP Packages

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数据手册

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K24C020-DCR-S 数据手册

24C02 / 24C04 / 24C08 / 24C16

Pin Descriptions

DEVICE/PAGE ADDRESSES (A2, A1 and A0): The A2, A1 and A0 pins are device address inputs that are hard

wired for the 24C02. Eight 2K devices may be addressed on a single bus system (device addressing is discussed in

detail under the Device Addressing section).

The 24C04 uses the A2 and A1 inputs for hard wire addressing and a total of four 4K devices may be addressed on a

single bus system. The A0 pin is a no connect and can be connected to ground.

The 24C08 only uses the A2 input for hardwire addressing and a total of two 8K devices may be addressed on a single

bus system. The A0 and A1 pins are no connects and can be connected to ground.

The 24C16 does not use the device address pins, which limits the number of devices on a single bus to one. The A0,

A1 and A2 pins are no connects and can be connected to ground.

SERIAL DATA (SDA): The SDA pin is bi-directional for serial data transfer. This pin is open-drain driven and may be

wire-ORed with any number of other open-drain or open- collector devices.

SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each EEPROM device and negative

edge clock data out of each device.

WRITE PROTECT (WP): The 24C02/ 24C04/ 24C08/ 24C16 has a Write Protect pin that provides hardware data

protection. The Write Protect pin allows normal read/write operations when connected to ground (GND). When the Write

Protect pin is connected to VCC, the write protection feature is enabled and operates as shown in the following Table 2.

Table 2: Write Protect

Part of the Array Protected

WP Pin Status

24C02

24C04

24C08

24C16

At VCC

Full (2K) Array

Full (4K) Array

Full (8K) Array

Full (16K) Array

At GND

Normal Read / Write Operations

Memory Organization

24C02, 2K SERIAL EEPROM: Internally organized with 32 pages of 8 bytes each, the 2K requires an 8-bit data

word address for random word addressing.

24C04, 4K SERIAL EEPROM: Internally organized with 32 pages of 16 bytes each, the 4K requires a 9-bit data

word address for random word addressing.

24C08, 8K SERIAL EEPROM: Internally organized with 64 pages of 16 bytes each, the 8K requires a 10-bit data

word address for random word addressing.

24C16, 16K SERIAL EEPROM: Internally organized with 128 pages of 16 bytes each, the 16K requires an 11-bit

data word address for random word addressing.

BEIJING ESTEK ELECTRONICS CO.,LTD

1 234 5 6 7...13

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