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PCF85 Scheda tecnica(PDF) 14 Page - Integrated Circuit Systems

Il numero della parte PCF85
Spiegazioni elettronici  PCF85xxC-2 family 256 to 1024 쨈 8-bit CMOS EEPROMs with I2C-bus interface
PDF  24 Pages
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Produttore elettronici  ICST [Integrated Circuit Systems]
Homepage  http://www.icst.com
Logo ICST - Integrated Circuit Systems

PCF85 Scheda tecnica(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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