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PCF85 데이터시트(PDF) 14 Page - Integrated Circuit Systems

부품명 PCF85
상세설명  PCF85xxC-2 family 256 to 1024 쨈 8-bit CMOS EEPROMs with I2C-bus interface
PDF  24 Pages
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제조업체  ICST [Integrated Circuit Systems]
홈페이지  http://www.icst.com
Logo ICST - Integrated Circuit Systems

PCF85 데이터시트(HTML) 14 Page - Integrated Circuit Systems

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1997 Feb 13
14
Philips Semiconductors
Product specification
256 to 1024
× 8-bit CMOS EEPROMs with
I2C-bus interface
PCF85xxC-2 family
12 WRITE CYCLE LIMITS
Selection of the chip address is achieved by connecting the A0, A1 and A2 inputs to either VSS or VDD.
13 EXTERNAL CLOCK TIMING
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
E/W cycle timing
tE/W
E/W cycle time
internal oscillator
−
7
−
ms
external clock
4
−
10
ms
Endurance
NE/W
E/W cycle per byte
Tamb = −40 to +85 °C
100000
−−
cycles
Tamb =22 °C
−
1000000
−
cycles
Fig.11 One byte E/W cycle.
handbook, full pagewidth
td
t HIGH
f
t
r
t
LOW
t
STOP
12
257
PTC
SDA
SCL
MBA697
Fig.12 n bytes E/W cycle (n=2to7).
handbook, full pagewidth
td
t HIGH
f
t
r
t
LOW
t
STOP
12
PTC
SDA
SCL
MBA698
n x 256 + 1



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