PCA9500 查看數據表（PDF） - Philips Electronics
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PCA9500 Datasheet PDF : 23 Pages
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Philips Semiconductors
8-bit I2C and SMBus I/O port with 2-kbit EEPROM
Product data sheet
PCA9500
POWER-UP TIMING
SYMBOL
PARAMETER
MAX.
UNIT
tPUR1
Power-up to Read Operation
1
ms
tPUW1
Power-up to Write Operation
5
ms
NOTE:
1. tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated. These parameters are
guaranteed by design.
WRITE CYCLE LIMITS
SYMBOL
PARAMETER
MIN.
tWR1
Write Cycle Time
—
NOTE:
1. tWR is the maximum time that the device requires to perform the internal write operation.
Write Cycle Timing
TYP. (5)
5
MAX.
10
UNIT
ms
SCL
SDA
8th Bit
Word n
ACK
tWR
Stop
Condition
Figure 21.
Start
Condition
MEMORY
ADDRESS
SW00560
2004 Sep 30
15
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