L6474PD データシートの表示（PDF） - STMicroelectronics
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L6474PD Datasheet PDF : 53 Pages
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Electrical characteristics
L6474
Symbol
Table 5. Electrical characteristics (continued)
Parameter
Test condition
Min. Typ. Max. Unit
Logic inputs and outputs
VIL
Low logic level input voltage
VIH High logic level input voltage
IIH
High logic level input current(4)
IIL
Low logic level input current(5)
VOL Low logic level output voltage(6)
VOH High logic level output voltage
RPU
RPD
RPUDIR
CS pull-up and STBY pull-down resistors
DIR input pull-up resistance
Ilogic Internal logic supply current
Ilogic,STBY Standby mode internal logic supply current
fSTCK Step clock input frequency
Internal oscillator and external oscillator driver
fosc,i
fosc,e
Internal oscillator frequency
Programmable external oscillator frequency
VOSCOUTH OSCOUT clock source high level voltage
VOSCOUTL OSCOUT clock source low level voltage
trOSCOUT
tfOSCOUT
textosc
tintosc
OSCOUT clock source rise and fall time
Internal to external oscillator switching delay
External to internal oscillator switching delay
SPI
fCK,MAX
trCK
tfCK
thCK
tlCK
tsetCS
tholCS
Maximum SPI clock frequency(7)
SPI clock rise and fall time(7)
SPI clock high and low time(7)
Chip select setup time(7)
Chip select hold time(7)
VIN = 5 V
VIN = 0 V
VDD = 3.3 V, IOL = 4 mA
VDD = 5 V, IOL = 4 mA
VDD = 3.3 V, IOH = 4 mA
VDD = 5 V, IOH = 4 mA
CS = GND;
STBY/RST = 5 V
DIR = GND
3.3 V VREG externally
supplied, internal oscillator
3.3 V VREG externally
supplied
Tj = 25 °C, VREG = 3.3 V
Internal oscillator 3.3 V
VREG externally supplied;
IOSCOUT = 4 mA
Internal oscillator 3.3 V
VREG externally supplied;
IOSCOUT = 4 mA
Internal oscillator
CL = 30 pF
2
-1
2.4
4.7
335 430
60 85
3.7
2
-3% 16
8
2.4
3
1.5
5
75
350
10
0.8 V
V
1 µA
µA
0.3
V
0.3
V
565 k
110 k
4.3 mA
2.5 µA
2 MHz
+3% MHz
32 MHz
V
0.3 V
20 ns
ms
µs
MHz
25 ns
ns
ns
ns
12/53
DocID022529 Rev 4
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