参数资料
型号: SX1509BULTRT
厂商: Semtech
文件页数: 41/41页
文件大小: 0K
描述: IC GPIO EXPANDER I2C 16CH 28QFN
特色产品: SX1508/SX1509 GPIO Expanders
标准包装: 1
接口: I²C
输入/输出数: 16
中断输出:
频率 - 时钟: 400kHz
电源电压: 1.2 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-UFQFN 裸露焊盘
供应商设备封装: 28-QFN-UT(4x4)
包装: 标准包装
包括: LED 驱动器 / 小键盘引擎
其它名称: SX1509IULDKR
SX1509IULDKR-ND
ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 30
th Oct. 2009
9
www.semtech.com
SX1507/SX1508/SX1509
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
Symbol
Description
Conditions
Min
Typ
Max
Unit
VCC1,2 < 2V
-
8
(2)
tPV
Output data valid timing
Cf. Figure 9
-
200
ns
NINT (Output)
VOL
Low level output voltage
-
-0.4
-
0.3
V
VDDM >= 2V
-
8
IOLM
Low level output sink current
VDDM < 2V
-
4
mA
tIV
Interrupt valid timing
From input data change
-
4
s
tIR
Interrupt reset timing
From RegInterruptSource
clearing
-
4
s
NRESET (Input/Output)
VOL
Low level output voltage
-
-0.4
-
0.3
V
VDDM >= 2V
-
8
IOLM
Low level output sink current
VDDM < 2V
-
4
mA
VCC1,2 >= 2V
0.7*
VDDM
-
3.6
VIHMR
High level input voltage
VCC1,2 < 2V
0.8*
VDDM
-
3.6
V
VCC1,2 >= 2V
-0.4
-
0.3*
VDDM
VILM
Low level input voltage
VCC1,2 < 2V
-0.4
-
0.2*
VDDM
V
ILEAK
Input leakage current
-
-1
-
1
A
CI
Input capacitance
-
10
pF
VPOR
Power-On-Reset voltage
Cf. Figure 7
-
0.8
-
V
VDROPH High brown-out voltage
Cf. Figure 7
-
VDDM-1
-
V
VDROPL Low brown-out voltage
Cf. Figure 7
-
0.2
-
V
tRESET
Reset time
Cf. Figure 7
0.6
-
2.5
ms
tPULSE
Reset pulse from host uC
Cf. Figure 7
200
-
ns
ADDR0, ADDR1 (Inputs)
VCC1,2 >= 2V
0.7*
VDDM
-
VDDM
+0.3
VIHMA
High level input voltage
VCC1,2 < 2V
0.8*
VDDM
-
VDDM
+0.3
V
VCC1,2 >= 2V
-0.4
-
0.3*
VDDM
VILM
Low level input voltage
VCC1,2 < 2V
-0.4
-
0.2*
VDDM
V
ILEAK
Input leakage current
-
-1
-
1
A
CI
Input capacitance
-
10
pF
OSCIO (Input/Output)
VCC1,2 >= 2V
0.7*
VDDM
-
VDDM
+0.3
VIHMA
High level input voltage
VCC1,2 < 2V
0.8*
VDDM
-
VDDM
+0.3
V
VCC1,2 >= 2V
-0.4
-
0.3*
VDDM
VILM
Low level input voltage
VCC1,2 < 2V
-0.4
-
0.2*
VDDM
V
ILEAK
Input leakage current
-
-1
-
1
A
CI
Input capacitance
-
10
pF
VOHM
High level output voltage
-
VDDM –
0.3
-
VDDM
V
VOL
Low level output voltage
-
-0.4
-
0.3
V
VDDM >= 2V
-
8
IOHM
High level output source current
VDDM < 2V
-
2
mA
VDDM >= 2V
-
8
IOLM
Low level output sink current
VDDM < 2V
-
4
mA
SCL (Input) and SDA (Input/Output)
(3)
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