參數(shù)資料
型號(hào): PCA9557D,118
廠商: NXP Semiconductors
文件頁數(shù): 7/30頁
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16SOIC
標(biāo)準(zhǔn)包裝: 2,500
接口: I²C,SM 總線
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 帶卷 (TR)
包括: POR
其它名稱: 935270674118
PCA9557D-T
PCA9557D-T-ND
PCA9557
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 7 — 10 December 2013
15 of 30
NXP Semiconductors
PCA9557
8-bit I2C-bus and SMBus I/O port with reset
11. Static characteristics
[1]
VDD must be lowered to 0.2 V in order to reset part.
[2]
The total amount sunk by all I/Os must be limited to 100 mA and 25 mA per bit.
[3]
The total current sourced by all I/Os must be limited to 85 mA and 20 mA per bit.
Table 10.
Static characteristics
VDD = 2.3 V to 5.5 V; VSS =0V; Tamb = 40 C to +85 C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VDD
supply voltage
2.3
-
5.5
V
IDD
supply current
operating mode; VDD =5.5 V;
no load; fSCL = 100 kHz
-19
25
A
IstbL
LOW-level standby current
standby mode; VDD =5.5 V;
no load; VI =VSS; fSCL = 0 kHz;
I/O = inputs
-0.25
1
A
IstbH
HIGH-level standby current
standby mode; VDD =5.5 V;
no load; VI =VDD; fSCL = 0 kHz;
I/O = inputs
-0.25
1
A
I
stb
additional standby current
standby mode; VDD =5.5 V;
every LED I/O at VI =4.3 V;
fSCL = 0 kHz
-0.8
1
mA
VPOR
power-on reset voltage
no load; VI =VDD or VSS
[1] -1.65
2.1
V
Input SCL; input/output SDA
VIL
LOW-level input voltage
0.5
-
+0.3VDD
V
VIH
HIGH-level input voltage
0.7VDD
-5.5
V
IOL
LOW-level output current
VOL =0.4 V; VDD = 2.3 V
3
--mA
IL
leakage current
VI =VDD or VSS
1-
+1
A
Ci
input capacitance
VI =VSS
-6
10
pF
I/Os
VIL
LOW-level input voltage
0.5
-
+0.8
V
VIH
HIGH-level input voltage
2.0
-
5.5
V
IOL
LOW-level output current
VOL =5.5 V; VDD =2.3 V
[2] 810
-
mA
IOH
HIGH-level output current
except pin IO0; VOH =2.4 V
--mA
pin IO0; VOH = 4.6 V
--1
A
pin IO0; VOH = 3.3 V
--1
A
ILI
input leakage current
VDD =5.5 V; VI =VSS
--
100
A
Ci
input capacitance
-
3.7
5
pF
Co
output capacitance
-
3.7
5
pF
Select inputs A0, A1, A2 and RESET
VIL
LOW-level input voltage
0.5
-
+0.8
V
VIH
HIGH-level input voltage
2.0
-
5.5
V
ILI
input leakage current
1-
+1
A
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