njw4351 New Japan Radio Co.,Ltd, njw4351 Datasheet - Page 5

• Manufacturer Part Number: njw4351
• Description: Unipolar Stepper Motor Driver
• Manufacturer: New Japan Radio Co.,Ltd

PIN/ CIRCUIT OPERATIONAL DEFINITION
♦ Logic Input Pins Operational Voltage Definition
♦ Logic Input Pins Timing Definition
Master Pin
Slave Pins
At VDD=3.3V
STEP
HSM, DIR
RESET, PD
0.8V
2.0V
V
V
V
V
V
0V
IH
IH
IL
IL
DD
=2.0V
=0.8V
=2.0V
=0.8V
V
IN
Data Setup Time and Data Hold Time are defined to positive edge of STEP.
t
t
V
DS1
DS1
H level input voltage
L level input voltage
,t
,t
DS2
DH1
=Data Setup Time, t
=HSM,DIR,RESET, PD, t
t
DS1
t
DH2
DH1
,t
DH2
DS2
At VDD=3.3V
=Data Hold Time
∆V
,t
5.0V
2.0V
0.8V
DH2
tp
HYS
0V
=HSM,DIR
V
L level
tp
H level
tp
L lebvel
tp
H level
t
DS2
L level
H level input voltage
L level input voltage
t
NJW4351
DH1
t
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