参数资料
| 型号： | 78M6613-SP-1 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 21/33页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT 78M6613-SP-1 |
| 标准包装： | 1 |
| 系列： | * |
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DS_6613_018
78M6613 Data Sheet
4.2
Recommended External Components
CXS
Name
C1
CSYS
XTAL
?
CXL ?
From
V3P3A
V3P3D
XIN
XIN
XOUT
To
GNDA
GNDD
XOUT
GND
GND
Function
Bypass capacitor for 3.3V supply.
Bypass capacitor for V3P3D.
32.768 kHz crystal – electrically similar to
ECS .327-12.5-17X or Vishay XT26T, load
capacitance 12.5 pF.
Load capacitor for crystal (exact value
depends on crystal specifications and
parasitic capacitance of board).
Value
≥ 0.1 ± 10%
≥ 0.1 ± 10%
32.768
27 ± 10%
27 ± 10%
Unit
μ F
μ F
kHz
pF
pF
Depending on trace capacitance, higher or lower values for CXS and CXL must be used. Capacitance from
?
XIN to GND and XOUT to GND (combining pin, trace and crystal capacitance) should be 35 pF to 37 pF.
4.3
Recommended Operating Conditions
Parameter
3.3V Supply Voltage (V3P3)
Operating Temperature
Condition
Normal Operation
Min
3.0
-40
Typ
3.3
Max
3.6
+85
Unit
V
oC
4.4
4.4.1
Performance Specifications
Input Logic Levels
Parameter
Condition
Min
Typ
Max
Unit
Digital high-level input voltage, V IH
Digital low-level input voltage, V IL
2
0.8
V
V
Input pull-up current, I IL
E_RXTX,
E_RST, CKTEST
Other digital inputs
Input pull down current, I IH
ICE_E
Other digital inputs
VIN=0V, ICE_E=1
VIN=V3P3
10
10
-1
10
-1
0
0
100
100
1
100
1
μ A
μ A
μ A
μA
μA
4.4.2
Output Logic Levels
0.6
0.8
Parameter
Digital high-level output voltage V OH
Digital low-level output voltage V OL
Condition
I LOAD = 1 mA
I LOAD = 15 mA
I LOAD = 1 mA
I LOAD = 15 mA
Min
V3P3
–0.4
V3P3-
1
0
Typ
Max
0.4
1
Unit
V
V
V
V
1
Guaranteed by design; not production tested.
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