th Oct. 2009 9 www.semtech.com SX1507/SX1508/SX1509 Wo" />
參數(shù)資料
型號(hào): SX1509BULTRT
廠商: Semtech
文件頁(yè)數(shù): 41/41頁(yè)
文件大?。?/td> 0K
描述: IC GPIO EXPANDER I2C 16CH 28QFN
特色產(chǎn)品: SX1508/SX1509 GPIO Expanders
標(biāo)準(zhǔn)包裝: 1
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.2 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-UFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 28-QFN-UT(4x4)
包裝: 標(biāo)準(zhǔn)包裝
包括: LED 驅(qū)動(dòng)器 / 小鍵盤(pán)引擎
其它名稱(chēng): 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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