参数资料
型号: 78M6618-SOCKET68
厂商: Maxim Integrated Products
文件页数: 15/32页
文件大小: 0K
描述: EVAL BOARD 78M6618 68PIN QFN
标准包装: 1
系列: *
DS_6618_005
78M6618 Data Sheet
2.2
Recommended External Components
Table 3: Recommended External Components
Name
C1
C2
CSYS
C2P5
XTAL
From
V3P3A
V3P3D
V3P3SYS
V2P5
XIN
To
AGND
DGND
DGND
DGND
XOUT
Function
Bypass capacitor for 3.3 V supply
Bypass capacitor for 3.3 V output
Bypass capacitor for V3P3SYS
Bypass capacitor for V2P5
32.768 kHz crystal – electrically similar to
Value
≥ 0.1 ± 20%
0.1 ± 20%
≥ 1.0 ± 30%
0.1 ± 20%
32.768
Unit
μ F
μ F
μ F
μ F
kHz
ECS .327-12.5-17X or Vishay XT26T,
load capacitance 12.5 pF.
CXS
XIN
AGND
Load capacitor for crystal (depends on
33 ± 10%
pF
crystal specs and board parasitics).
CXL
XOUT
AGND
Load capacitor for crystal (depends on
15 ± 10%
pF
crystal specs and board parasitics).
Notes:
1. AGND and DGND should be connected together.
2. V3P3SYS and V3P3A should be connected together.
2.3
Recommended Operating Conditions
Table 4: Recommended Operating Conditions
Parameter
V3P3SYS, V3P3A : 3.3 V Supply Voltage
V3P3A and V3P3SYS must be at the
same voltage
Condition
Normal Operation
Battery Backup
Min
3.0
0
Typ
3.3
Max
3.6
3.6
Unit
V
V
VBAT
No Battery
Battery Backup:
Externally Connect to V3P3SYS
Operating Temperature
Rev. 1.4
BRN and LCD modes
SLEEP mode
3.0
2.0
-40
3.8
3.8
+85
V
V
oC
15
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