参数资料
| 型号： | PCA9621D,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 15/18页 |
| 文件大小： | 0K |
| 描述： | IC BUS OUTPUT PORT 2WIRE 16SOIC |
| 产品培训模块： | I²C Bus Fundamentals |
| 特色产品： | NXP - I2C Interface |
| 标准包装： | 1 |
| 接口： | I²C 总线，SM 总线 |
| 输入/输出数： | 8 |
| 中断输出： | 无 |
| 频率 - 时钟： | 1MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 标准包装 |
| 其它名称： | 568-6671-6 |
PCA9621
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 9 March 2011
6 of 18
NXP Semiconductors
PCA9621
65 mA 8-bit 2-wire bus output port
8.
Bus transaction
transaction, the output ports (P0 to P7) of the PCA9621 are updated upon receipt of the
STOP condition.
A typical read transaction is shown in Figure 7.
9.
Limiting values
[1]
Voltages are specified with respect to pin 8 (VSS).
[2]
100 mA for one pin only in the group P0 to P3, and one pin only in the group P4 to P7. Otherwise 70 mA maximum, any pin.
Fig 6.
PCA9621 write transaction to Control register
Fig 7.
PCA9621 read transaction from Control register
002aaf385
S
1
0
A2
A1
A0
slave address
0
A
P7
P6
P5
P4
P3
P2
P1
P0
A
P
Control register
START
condition
R/W
acknowledge
from slave
acknowledge
from slave
STOP
condition
002aaf386
S
1
0
A2
A1
A0
slave address
1
A
P7
P6
P5
P4
P3
P2
P1
P0
NA
P
Control register
START
condition
R/W
acknowledge
from slave
not acknowledge
from master
STOP
condition
Table 3.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VDD
supply voltage
0.3
+7
V
Vn
voltage on any other pin
VDD +0.5
V
II
input current
output ports (P0 to P7)
[2] -100
mA
SDA, SCL pins
-
40
mA
address pins A0 to A2; RESET pin
-
20
mA
ISS
ground supply current
-
550
mA
Ptot
total power dissipation
-
300
mW
Tstg
storage temperature
55
+125
°C
Tamb
ambient temperature
operating
40
+85
°C
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