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DS21054E Datasheet

  • DS21054E

  • 16K 1.8V I2C SERIAL EEPROM

  • 12頁

  • MICROCHIP   MICROCHIP

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24AA16
16K 1.8V I
2
C
鈩?/div>
Serial EEPROM
FEATURES
鈥?Single supply with operation down to 1.8V
鈥?Low power CMOS technology
- 1 mA active current typical
- 10
碌
A standby current typical at 5.5V
- 3
碌
A standby current typical at 1.8V
鈥?Organized as 8 blocks of 256 bytes (8 x 256 x 8)
鈥?2-wire serial interface bus, I
2
C
鈩?/div>
compatible
鈥?Schmitt trigger, 鏗乴tered inputs for noise suppres-
sion
鈥?Output slope control to eliminate ground bounce
鈥?100 kHz (1.8V) and 400 kHz (5V) compatibility
鈥?Self-timed write cycle (including auto-erase)
鈥?Page-write buffer for up to 16 bytes
鈥?2 ms typical write cycle time for page-write
鈥?Hardware write protect for entire memory
鈥?Can be operated as a serial ROM
鈥?ESD protection > 4,000V
鈥?10,000,000 erase/write cycles guaranteed
鈥?Data retention > 200 years
鈥?8-pin DIP, 8-lead or 14-lead SOIC packages
鈥?Available for extended temperature ranges
- Commercial (C):
0藲C to +70
擄
C
- Industrial (I):
-40
擄
C to +85
擄
C
PACKAGE TYPES
PDIP
A0
A1
A2
V
SS
1
2
3
4
24AA16
8
7
6
5
V
CC
WP
SCL
SDA
8-lead
SOIC
A0
A1
A2
1
2
3
4
24AA16
8
7
6
5
V
CC
WP
SCL
SDA
V
SS
14-lead SOIC
NC
A0
A1
NC
A2
V
SS
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
V
CC
WP
NC
SCL
SDA
NC
24AA16
DESCRIPTION
The Microchip Technology Inc. 24AA16 is a 1.8 volt 16K
bit Electrically Erasable PROM. The device is orga-
nized as eight blocks of 256 x 8-bit memory with a 2-
wire serial interface. Low voltage design permits oper-
ation down to 1.8 volts with standby and active currents
of only 3
碌
A and 1 mA, respectively. The 24AA16 also
has a page-write capability for up to 16 bytes of data.
The 24AA16 is available in the standard 8-pin DIP and
both 8-lead and 14-lead surface mount SOIC pack-
ages.
BLOCK DIAGRAM
WP
HV GENERATOR
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
SDA
SCL
YDEC
V
CC
V
SS
I
2
C is a trademark of Philips Corporation.
SENSE AMP
R/W CONTROL
漏
1996 Microchip Technology Inc.
DS21054E-page 1
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