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參數(shù)資料
| 型號(hào)： | A4255CA |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | KPT06F14-19P LESS GROMMET |
| 中文描述： | 8位微控制器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 142K |
| 代理商： | A4255CA |
D
2
8-BIT
MICROCONTROLLER
The A4255CA and A4255CLN microcontrollers make designing
with step motors easy, inexpensive, and productive. A reference design
technique is integral to the implementation of a system that includes the
power circuitry, a low-cost, 8-bit, preprogrammed microcontroller and
the other components needed to complete the control hardware. The
A4255Cx eliminates the need for software development, expedites the
product creation, and hastens the time to market.
The reference design can be utilized directly or integrated into a
larger printed wiring board. A further benefit is the compactness of the
circuit layout. Power-driver output ratings presently available with these
devices are 50 V and
±
1.5 A (with the A3955 or A3957). A similar
device for 46 V and either 1.5 A (with the SLA7042M) or 3 A (with the
SLA7044M) is planned. The reference design supports stepping formats
that include full-step, half-step, quarter-step, eighth-step, and sixteenth-
step (microstepping) increments for a two-phase stepping motor.
The A4255CA is furnished in an 18-pin dual in-line plastic package
for through-hole applications. The A4255CLN is furnished in a 20-lead
wide-body, shrink-pitch, small-outline plastic package (SSOP) with gull-
wing leads for minimum area, surface-mount applications.
FEATURES
I
Full-, Half-, Quarter-, Eighth-, or Sixteenth-Step Increments
I
DC to 20 MHz Clock Input
I
Power-On Reset
I
Brown-Out Reset
I
High-Speed CMOS Technology
I
Low Power, <20 mA @ 5 V, 20 MHz
(Typically 9 mA)
4255
Part Number
A4255CA
A4255CLN
Package
18-pin DIP
20-lead shrink-pitch SOIC
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
DD
..........................
7.0 V
Input Voltage Range,
V
I
........................
-0.3 V to V
DD
+ 0.6 V
RESET Voltage, V
RESET
......................
14 V
Input Clamp Current, I
IK
...............
±
20 mA
Output Clamp Current, I
OK
............
±
20 mA
Operating Temperature Range,
T
A
....................................
0
°
C to +70
°
C
Storage Temperature Range,
T
S
..............................
-55
°
C to +150
°
C
Caution: These CMOS devices have input
static protection (Class 3) but are still
susceptible to damage if exposed to extremely
high static electrical charges.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Dwg. PP-071A
MODE SELECT
0
DIRECTION
CONTROL IN
OSC/CLOCK IN
OSC/CLOCK OUT
SUPPLY
V
DD
PFD
A
PHASE
A
PFD
B
PHASE
B
MODE SELECT
1
MODE SELECT
2
STEP IN
RESET
GROUND
MONITOR OUT
SHIFT CLOCK
SERIAL DATA OUT
STROBE OUT
A4255CA
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PDF描述 |
|---|---|
| A4255CLN | 8-BIT MICROCONTROLLER |
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| A426316BS-35L | 64K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A4255CLN | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:8-BIT MICROCONTROLLER |
| A425AXA-120AW | 制造商:Magnecraft 功能描述: |
| A425BXX1869W-74 | 制造商:Magnecraft 功能描述: |
| A425BXX-24D | 制造商:Magnecraft 功能描述: |
| A425BXX69-24D | 制造商:Magnecraft 功能描述: |
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