參數(shù)資料
型號(hào): RTL8308B
廠商: Electronic Theatre Controls, Inc.
英文描述: REALTEK SINGLE CHIP 8-PORT 10/100 ETHERNET SWITCH CONTROLLER WITH EMBEDDED MEMORY
中文描述: 瑞昱單片8端口10/100以太網(wǎng)交換機(jī)控制器,嵌入式存儲(chǔ)器
文件頁(yè)數(shù): 23/28頁(yè)
文件大?。?/td> 397K
代理商: RTL8308B
RTL8308B
2002/01/23
Rev. 2.0
23
8. Electrical Characteristics
8.1 Temperature Limit Ratings
Parameter
Minimum
-55
0
Maximum
+125
70
Units
C
C
Storage temperature
Operating temperature
8.2 DC Characteristics
Supply voltage Vcc = 3.3V ± 5%
Symbol
VOH
Minimum High Level Output
Voltage
VOL
Maximum Low Level Output
Voltage
VIH
Minimum
Voltage
VIL
Maximum
Voltage
IIN
Input Current
IOZ
Tri-State Output Leakage Current
Parameter
Conditions
IOH= -8mA
Min.
0.9 * Vcc
Typical
Max.
Vcc
Units
V
IOL= 8mA
0.1 * Vcc
V
High
Level
Input
0.5 * Vcc
Vcc+0.5
V
Low
Level
Input
-0.5
0.3 * Vcc
V
VIN=VCC or GND
VOUT=VCC or
GND
IOUT=0mA,
-1.0
-10
1.0
10
μA
μA
ICC
Average Operating Supply Current
145
160
mA
8.3 AC Characteristics
8.3.1 Reset and Clock Timing
Symbol
f
clock (SYSCK)
SYSCLK clock frequency
t1
SYSCLK clock period
t2
RST# low pulse duration
Description
Min.
40
15
1000
Typical
50
20
-
Max.
66
25
-
Units
MHZ
ns
ns
VDD
SYSCLK
RST#
t1
t2
Reset and Clock Timing
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