参数资料
型号: PEF2080
厂商: SIEMENS AG
英文描述: S/T Bus Interface Circuit(SBC)
中文描述: S / T的总线接口电路(SBC)的
文件页数: 56/74页
文件大小: 2620K
代理商: PEF2080
Semiconductor Group
57
Electrical Characteristics
Recommended Oscillator Circuit
Figure 31
The integrated oscillator uses a parallel resonance crystal.
Capacitances
T
A
= – 40 to 85 C,
V
DD
= 5 V
±
5 %,
V
SS
= 0 V,
f
C
= 1 MHz
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
max.
Input capacitance
I/O capacitance
C
IN
C
IO
C
OUT
C
LD
7
7
pF
pF
All pins except SR1,2
XTAL1,2
Output capacitance against V
ssa
Load capacitance
10
pF
SX1,2
50
pF
XTAL1,2
Unmeasured pins returned to ground.
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