Datasheet

L6470 Electrical characteristics
Doc ID16737 Rev 5 13/70
Logic inputs and outputs
V
IL
Low logic level input voltage 0.8 V
V
IH
High logic level input voltage 2 V
I
IH
High logic level input current
(4)
V
IN
= 5 V 1 µA
I
IL
Low logic level input current
(5)
V
IN
= 0 V -1 µA
V
OL
Low logic level output voltage
(6)
V
DD
= 3.3 V, I
OL
= 4 mA 0.3
V
V
DD
= 5 V, I
OL
= 4 mA 0.3
V
OH
High logic level output voltage
V
DD
= 3.3 V, I
OH
= 4 mA 2.4
V
V
DD
= 5 V,
I
OH
= 4 mA
4.7
R
PU
R
PD
CS pull-up and STBY pull-down resistors
CS = GND;
STBY/RST = 5 V
335 430 565 kΩ
I
logic
Internal logic supply current
3.3 V V
REG
externally
supplied, internal oscillator
3.7 4.3 mA
I
logic,STBY
Standby mode internal logic supply current
3.3 V V
REG
externally
supplied
22.5µA
f
STCK
Step-clock input frequency 2 MHz
Internal oscillator and external oscillator driver
f
osc,i
Internal oscillator frequency
T
j
= 25 °C,
V
REG
= 3.3 V
-3% 16 +3% MHz
f
osc,e
Programmable external oscillator frequency 8 32 MHz
V
OSCOUTH
OSCOUT clock source high level voltage
Internal oscillator 3.3 V
V
REG
externally supplied;
I
OSCOUT
= 4 mA
2.4 V
V
OSCOUTL
OSCOUT clock source low level voltage
Internal oscillator 3.3 V
V
REG
externally supplied;
I
OSCOUT
= 4 mA
0.3 V
t
rOSCOUT
t
fOSCOUT
OSCOUT clock source rise and fall time Internal oscillator 20 ns
t
extosc
Internal to external oscillator switching delay 3 ms
t
intosc
External to internal oscillator switching delay 1.5 µs
SPI
f
CK,MAX
Maximum SPI clock frequency
(7)
5MHz
t
rCK
t
fCK
SPI clock rise and fall time
(7)
C
L
= 30 pF 25 ns
t
hCK
t
lCK
SPI clock high and low time
(7)
75 ns
t
setCS
Chip select setup time
(7)
350 ns
Table 5. Electrical characteristics (continued)
Symbol Parameter Test condition Min. Typ. Max. Unit