參數(shù)資料
型號(hào)： AT24C04A
廠商： Atmel Corp.
元件分類： DRAM
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(guó)內(nèi)256個(gè)8位每字舉辦的串行CMOS
文件頁(yè)數(shù)： 3/20頁(yè)
文件大小： 523K
代理商： AT24C04A
3
AT24C02A/04A/08A/16A
5083A–SEEPR–9/04
The AT24C08A 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.
The AT24C16A 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.
WRITE PROTECT (WP):
The AT24C02A/04A/08A/16A have a WP pin that provides
hardware data protection. The WP pin allows normal read/write operations when con-
nected to ground (GND). When the WP pin is connected to V
CC
, the write protection
feature is enabled and operates as shown. (See Table 1.)
Table 1.
Write Protect
Memory Organization
AT24C02A, 2K SERIAL EEPROM:
The 2K is internally organized with 32 pages of 8
bytes each. Random word addressing requires an 8-bit data word address.
AT24C04A, 4K SERIAL EEPROM:
The 4K is internally organized with 32 pages of 16
bytes each. Random word addressing requires a 9-bit data word address.
AT24C08A, 8K SERIAL EEPROM:
The 8K is internally organized with 64 pages of 16
bytes each. Random word addressing requires a 10-bit data word address.
AT24C16A, 16K SERIAL EEPROM:
The 16K is internally organized with 128 pages of
16 bytes each. Random word addressing requires an 11-bit data word address.
Note:
This parameter is characterized and is not 100% tested.
WP Pin Status
Part of the Array Protected
24C02A
24C04A
24C08A
24C16A
At V
CC
Upper Half
(1K) Array
Upper Half
(2K) Array
Full (8K)
Array
Full (16K)
Array
At GND
Normal Read/Write Operations
Table 2.
Pin Capacitance
Applicable over recommended operating range from T
A
= 25
°
C, f = 1.0 MHz, V
cc
= +2.7V
Symbol
Test Condition
Max
Units
Conditions
C
I/O
Input/Output Capacitance (SDA)
8
pF
V
I/O
= 0V
C
IN
Input Capacitance (A
0
, A
1
, A
2
, SCL)
6
pF
V
IN
= 0V
相關(guān)PDF資料
PDF描述
AT24C04A-10PE-2.7 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
AT24C04A-10PQ-2.7 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
AT24C04A-10TE-2.7 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
AT24C04A-10TQ-2.7 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
AT24C04AN-10SE-2.7 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
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