參數(shù)資料
型號(hào)： KSZ8863FLLI
廠商： Micrel Inc
文件頁數(shù)： 91/106頁
文件大?。?/td> 0K
描述： IC ETHERNET SWITCH 3PORT 48-LQFP
標(biāo)準(zhǔn)包裝： 250
控制器類型： 以太網(wǎng)開關(guān)控制器
接口： MII
電源電壓： 1.8V，2.5V，3.3V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 托盤
配用： 576-3866-ND - BOARD EVALUATION FOR KSZ8863FLL
其它名稱： 576-3750
PIC16C72 Series
DS39016A-page 84
Preliminary
1998 Microchip Technology Inc.
13.5
Timing Diagrams and Specications
FIGURE 13-2: EXTERNAL CLOCK TIMING
OSC1
CLKOUT
Q4
Q1
Q2
Q3
Q4
Q1
1
2
3
4
TABLE 13-3
EXTERNAL CLOCK TIMING REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
Fosc
External CLKIN Frequency
(Note 1)
DC
—
4
MHz
XT and RC osc mode
DC
—
4
MHz
HS osc mode (-04)
DC
—
10
MHz
HS osc mode (-10)
DC
—
20
MHz
HS osc mode (-20)
DC
—
200
kHz
LP osc mode
Oscillator Frequency
(Note 1)
DC
—
4
MHz
RC osc mode
0.1
—
4
MHz
XT osc mode
4
5
—
20
200
MHz
kHz
HS osc mode
LP osc mode
1
Tosc
External CLKIN Period
(Note 1)
250
—
ns
XT and RC osc mode
250
—
ns
HS osc mode (-04)
100
—
ns
HS osc mode (-10)
50
—
ns
HS osc mode (-20)
5
—
s
LP osc mode
Oscillator Period
(Note 1)
250
—
ns
RC osc mode
250
—
10,000
ns
XT osc mode
250
—
250
ns
HS osc mode (-04)
100
50
—
250
ns
HS osc mode (-10)
HS osc mode (-20)
5
—
s
LP osc mode
2
TCY
Instruction Cycle Time (Note 1)
200
—
DC
ns
TCY = 4/FOSC
3
TosL,
TosH
External Clock in (OSC1) High or
Low Time
100
—
ns
XT oscillator
2.5
—
s
LP oscillator
15
—
ns
HS oscillator
4
TosR,
TosF
External Clock in (OSC1) Rise or
Fall Time
—
25
ns
XT oscillator
—
50
ns
LP oscillator
—
15
ns
HS oscillator
Data in "Typ" column is at 5V, 25C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note 1:
Instruction cycle period (TCY) equals four times the input oscillator time-base period. All specied values are based on
characterization data for that particular oscillator type under standard operating conditions with the device executing
code. Exceeding these specied limits may result in an unstable oscillator operation and/or higher than expected current
consumption. All devices are tested to operate at "min." values with an external clock applied to the OSC1/CLKIN pin.
When an external clock input is used, the "Max." cycle time limit is "DC" (no clock) for all devices.
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