sx150x_89b-datasheet

ADVANCED COMMUNICATIONS & SENSING
Rev 4 – 26
th
April 2011 8 www.semtech.com
SX1508B/SX1509B
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
Symbol Description Conditions Min Typ Max Unit
t
PV
Output data valid timing Cf. Figure 8 - - 425 ns
NINT (Output)
VOL Low level output voltage - -0.4 - 0.3 V
VDDM >= 2V - - 8
IOL
M
Low level output sink current
VDDM < 2V - - 4
mA
t
IV
Interrupt valid timing From input data change - - 4 µs
t
IR
Interrupt reset timing
From RegInterruptSource
clearing
- - 4 µs
NRESET (Input)
VDDM >= 2V 0.7*VDDM - VDDM
max
VIH
MR
High level input voltage
VDDM < 2V 0.8*VDDM - VDDM
max
V
VDDM >= 2V -0.4 - 0.3*VDDM
VIL
M
Low level input voltage
VDDM < 2V -0.4 - 0.2*VDDM
V
ILEAK Input leakage current - -1 - 1 µA
CI Input capacitance - - - 10 pF
VPOR Power-On-Reset voltage Cf. Figure 6 - 0.8 - V
VDROPH High brown-out voltage Cf. Figure 6 - VDDM-1 - V
VDROPL Low brown-out voltage Cf. Figure 6 - 0.2 - V
t
RESET
Reset time Cf. Figure 6 - - 2.5 ms
t
PULSE
Reset pulse from host uC Cf. Figure 6 200 - - ns
ADDR0, ADDR1 (Inputs)
VDDM >= 2V 0.7*VDDM - VDDM+0.3
VIH
MA
High level input voltage
VDDM < 2V 0.8*VDDM - VDDM+0.3
V
VDDM >= 2V -0.4 - 0.3*VDDM
VIL
M
Low level input voltage
VDDM < 2V -0.4 - 0.2*VDDM
V
ILEAK Input leakage current - -1 - 1 µA
CI Input capacitance - - - 10 pF
OSCIO (Input/Output)
VDDM >= 2V 0.7*VDDM - VDDM+0.3
1.425V =< VDDM < 2V 0.8*VDDM - VDDM+0.3
VIH
MO
High level input voltage
VDDM < 1.425V 0.9*VDDM - VDDM+0.3
V
VDDM >= 2V -0.4 - 0.3*VDDM
1.425V =< VDDM < 2V -0.4 - 0.2*VDDM
V
VIL
MO
Low level input voltage
VDDM < 1.425V -0.4 - 0.1*VDDM
ILEAK Input leakage current - -1 - 1 µA
CI Input capacitance - - - 10 pF
VOH
M
High level output voltage - VDDM-0.3 - VDDM V
VOL Low level output voltage - -0.4 - 0.3 V
VDDM >= 2V - - 8
IOH
M
High level output source current
VDDM < 2V - - 2
mA
VDDM >= 2V - - 8
IOL
M
Low level output sink current
VDDM < 2V - - 4
mA
SCL (Input) and SDA (Input/Output)
(3)
Interface complies with slave F/S mode I
2
C interface as described by Philips I
2
C specification version 2.1
dated January, 2000. Please refer to that document for more detailed I
2
C specifications.
VOL Low level output voltage - -0.4 - 0.3 V
VDDM >= 2V - - 8
IOL
M
Low level output sink current
VDDM < 2V - - 4
mA
VDDM >= 2V 0.7*VDDM - VDDM
max
VIH
MR
High level input voltage
VDDM < 2V 0.8*VDDM - VDDM
max
V
VDDM >= 2V -0.4 - 0.3*VDDM
VIL
M
Low level input voltage
VDDM < 2V -0.4 - 0.2*VDDM
V