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S524C20D20 Datasheet

  • S524C20D20

  • 1K/2K/4K/8K-bit Serial EEPROM with software write protect

  • 22頁

  • SAMSUNG   SAMSUNG

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S524C20D10/20D20/80D40/80D80
1K/2K/4K/8K-bit
Serial EEPROM
with software write protect
Data Sheet
OVERVIEW
The S524C20D10/20D20/80D40/80D80 serial EEPROM has a 1,024/2,048/4,096/8,192-bit (128/256/512/1,024-
byte) capacity, supporting the standard I
2
C鈩?bus serial interface. It is fabricated using Samsung鈥?most
s
advanced CMOS technology. Important features are a hardware-based write protection circuit for the entire
memory area and software-based write protection logic for the lower 128 bytes. Hardware-based write protection
is controlled by the state of the write-protect (WP) pin. The software-based method is one-time programmable
and permanent. Using one-page write mode, you can load up to 16 bytes of data into the EEPROM in a single
write operation. Another significant feature of the S524C20D10/20D20/80D40/80D80 is its support for fast mode
and standard mode.
FEATURES
I
2
C-Bus Interface
鈥?/div>
鈥?/div>
Two-wire serial interface
Automatic word address increment
鈥?/div>
Operating Characteristics
鈥?/div>
Operating voltage
鈥?2.5 V to 5.5 V (write)
鈥?2.2 V to 5.5 V (read)
EEPROM
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
1K/2K/4K/8K-bit (128/256/512/1,024-byte)
storage area
16-byte page buffer
Typical 3.5 ms write cycle time with
auto-erase function
Hardware-based write protection for the entire
EEPROM (using the WP pin)
Software-based write protection for the lower
128-byte EEPROM
EEPROM programming voltage generated
on chip
1,000,000 erase/write cycles
100 years data retention
鈥?/div>
鈥?/div>
鈥?/div>
Operating current
鈥?Maximum write current: < 3 mA at 5.5 V
鈥?Maximum read current: < 200
碌A(chǔ)
at 5.5 V
鈥?Maximum stand-by current: < 5
碌A(chǔ)
at 3.3 V
Operating temperature range
鈥?鈥?25擄C to + 70擄C (commercial)
鈥?鈥?40擄C to + 85擄C (industrial)
Operating clock frequencies
鈥?100 kHz at standard mode
鈥?400 kHz at fast mode
Electrostatic discharge (ESD)
鈥?3,000 V (HBM)
鈥?300 V (MM)
Packages
鈥?/div>
8-pin DIP, SOP, and TSSOP
4-1

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