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L6474PDTR 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 L6474PDTR
상세설명  easySPIN ??fully integrated microstepping motor driver
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L6474
Electrical characteristics
Doc ID 022529 Rev 2
11/51
Logic inputs and outputs
V
IL
Low logic level input voltage
0.8
V
VIH
High logic level input voltage
2
V
IIH
High logic level input current (4)
V
IN = 5 V
1
µA
IIL
Low logic level input current (5)
VIN = 0 V
-1
µA
VOL
Low logic level output voltage (6)
VDD = 3.3 V, IOL = 4 mA
0.3
V
VDD = 5 V, IOL = 4 mA
0.3
VOH
High logic level output voltage
VDD = 3.3 V, IOH = 4 mA
2.4
V
VDD = 5 V, IOH = 4 mA
4.7
RPU
RPD
CS pull-up and STBY pull-down resistors
CS = GND;
STBY/RST = 5 V
335
430
565
k
RPUDIR
DIR input pull-up resistance
DIR = GND
60
85
110
k
Ilogic
Internal logic supply current
3.3 V VREG externally
supplied, internal oscillator
3.7
4.3
mA
Ilogic,STBY
Standby mode internal logic supply current
3.3 V VREG externally
supplied
2
2.5
µA
fSTCK
Step clock input frequency
2
MHz
Internal oscillator and external oscillator driver
fosc,i
Internal oscillator frequency
T
j = 25 °C, V
REG = 3.3 V
-3%
16
+3%
MHz
fosc,e
Programmable external oscillator frequency
8
32
MHz
VOSCOUTH OSCOUT clock source high level voltage
Internal oscillator 3.3 V
VREG externally supplied;
IOSCOUT = 4 mA
2.4
V
VOSCOUTL
OSCOUT clock source low level voltage
Internal oscillator 3.3 V
VREG externally supplied;
IOSCOUT = 4 mA
0.3
V
trOSCOUT
tfOSCOUT
OSCOUT clock source rise and fall time
Internal oscillator
20
ns
textosc
Internal to external oscillator switching delay
3
ms
tintosc
External to internal oscillator switching delay
1.5
µs
SPI
fCK,MAX
Maximum SPI clock frequency (7)
5
MHz
trCK
tfCK
SPI clock rise and fall time (7)
CL = 30 pF
25
ns
thCK
tlCK
SPI clock high and low time (7)
75
ns
tsetCS
Chip select set-up time (7)
350
ns
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit


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