PCA8550 查看數據表（PDF） - Philips Electronics
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PCA8550 Datasheet PDF : 12 Pages
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Philips Semiconductors
4-bit multiplexed/1-bit latched 5-bit I2C EEPROM
Product specification
PCA8550
AC CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
MIN
MAX
TMPD
Mux input to output propagation delay
20.0
TSOV
MUX_SELECT to output valid
22
TOVN
OVERRIDE# to NON_MUX output delay
15.0
TOVM
OVERRIDE# to mux output delay
25.0
TR
Output rise time
1.0
3.0
TF
Output fall time
1.0
3.0
CL
Test load capacitance on Muxed/Non-Muxed
outputs
15
I2C BUS
fSCL
I2C clock frequency
10
400
TSCH
I2C clock high time
600
TSCL
I2C clock low time
1.3
TDSP
I2C data spike time
0
50
TSDS
I2C data setup time
100
TSDH
I2C data hold time
0
TICR
I2C input rise time (10–400pF bus)
20
300
TICF
I2C input fall time (10–400pF bus)
20
300
TBUF
I2C bus free time between start and stop
1.3
TSTS
I2C repeated start condition setup
600
TSTH
I2C repeated start condition hold
600
TSPS
I2C stop condition setup
600
CB
I2C bus capacitive load
400
TW
Write cycle time1
TYPICAL = 15
NOTE:
1. WRITE CYCLE time can only be measured indirectly during write cycle. The device will not acknowledge its I2C address.
UNIT
ns
ns
ns
ns
ns/V
ns/V
pF
KHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
ms
1998 Sep 29
7
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