參數(shù)資料
型號: SI8250
廠商: Silicon Laboratories Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: DIGITAL POWER CONTROLLER
中文描述: 數(shù)字化電源控制器
文件頁數(shù): 12/30頁
文件大?。?/td> 932K
代理商: SI8250
Si8250/1/2
12
Preliminary Rev. 0.8
Table 13. Port I/O DC Electrical Characteristics
TA = –40 to +125 °C, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Parameters
Conditions
Min
Typ
Max
Units
Port0 Input Voltage Tolerance
push-pull
V
DD
+ 0.7
V
open-drain
5.5
Port1 Input Voltage Tolerance
V
DD
+ 0.7
Output High Voltage
I
OH
= –3 mA,
Port I/O push-pull
V
DD
– 0.4
V
I
OH
= –10 μA,
Port I/O push-pull
V
DD
– 0.1
I
OH
= –10 mA,
Port I/O push-pull
V
DD
– 0.8
Output Low Voltage
I
OL
= 8.5 mA
0.6
V
I
OL
= 10 μA
0.1
I
OL
= 25 mA
1.25
Input High Voltage
(0.7) V
DD
V
Input Low Voltage
(0.3) V
DD
V
Input Leakage Current
Weak Pullup Off
±10
μA
Weak Pullup On, V
IN
= 0 V
20
50
Table 14. PLL Specifications
TA = –40 to +125 °C, VDD = 2.5 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Stabilization Time
30
μs
Input Frequency Range
15
25
MHz
PLL Frequency
200
MHz
Cycle-to-cycle jitter
250
ps
Supply current
15
mA
Shutdown current
0.1
μA
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