L6472 STMICROELECTRONICS [STMicroelectronics], L6472 Datasheet - Page 13

• Manufacturer Part Number: L6472
• Description: dSPIN fully integrated microstepping motor driver
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

L6472
Table 5.
Logic inputs and outputs
Internal oscillator and external oscillator driver
V
SPI
I
V
t
t
logic,STBY
Symbol
rOSCOUT
fOSCOUT
f
OSCOUTL
OSCOUT
CK,MAX
t
f
t
f
extosc
I
STCK
f
t
V
R
R
intosc
V
osc,e
V
logic
osc,i
rrLS
V
I
I
H
IH
OH
IL
OL
PU
PD
IH
IL
Low-side diode reverse
recovery time
Low logic level input voltage
High logic level input voltage
High logic level input current
(4)
Low logic level input current
(5)
Low logic level output voltage
(6)
High logic level output voltage
CS pull-up and STBY pull-
down resistors
Internal logic supply current
Standby mode internal logic
supply current
Step-clock input frequency
Internal oscillator frequency
Programmable external
oscillator frequency
OSCOUT clock source high
level voltage
OSCOUT clock source low
level voltage
OSCOUT clock source rise
and fall time
Internal to external oscillator
switching delay
External to internal oscillator
switching delay
Maximum SPI clock
frequency
Electrical characteristics (continued)
Parameter
(7)
Doc ID 022729 Rev 1
I
V
V
V
V
V
V
CS = GND;
STBY/RST = 5V
3.3V V
supplied, internal oscillator
3.3V V
T
Internal oscillator 3.3V V
externally supplied; I
= 4mA
Internal oscillator 3.3V V
externally supplied; I
= 4mA
Internal oscillator
out
j
IN
IN
DD
DD
DD
DD
= 25°C, V
= 5V
= 1A
= 0V
= 3.3V, I
= 5V, I
= 3.3V, I
= 5V, I
REG
REG
Test condition
OL
OH
externally supplied
externally
REG
OL
OH
= 4mA
= 4mA
= 4mA
= 4mA
= 3.3V
OSCOUT
OSCOUT
REG
REG
Electrical characteristics
Min. Typ.
335
-3%
2.4
4.7
2.4
-1
2
8
5
100
430
3.7
1.5
16
2
3
Max. Unit
+3% MHz
565
0.8
0.3
0.3
4.3
2.5
0.3
32
20
1
2
13/69
MHz
MHz
MHz
mA
ms
µA
µA
kΩ
µA
ns
ns
µs
V
V
V
V
V
V