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參數(shù)資料
| 型號： | ICS82C404XXCN16 |
| 英文描述： | Peripheral IC |
| 中文描述： | 外圍芯片 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 610K |
| 代理商： | ICS82C404XXCN16 |
Electrical Characteristics
(continued)
AC Characteristics
NAME
Reference
frequency
Reference period
Input duty cycle
DESCRIPTION
SYMBOL
f
REF
MIN
1
TYP
MAX
60
UNITS
MHz
Reference oscillator value (Note 1)
14.31818
1/f
REF
Duty cycle for the input oscillator
defined as t
1
/t
REF
Output oscillator values
t
REF
t
1
16.6
25%
1000
75%
ns
Output clock
periods
Output duty cycle
t
2
8.33
(120 MHz)
45%
2564
(390 kHz)
55%
ns
Duty cycle for the output oscillators
(Note 2)
Rise time for the output oscillators
into a 25pF load
Fall time for the output oscillators
into a 25pF load
Old frequency output
New frequency output
Time clock output remains high while
output muxes to reference frequency
Interval for serial programming and
for VCO changes to settle (Note 3)
Time clock output remains high while
output muxes to new frequency value
Time for the output oscillators to go
into tristate mode after OUTDIS-
signal assertion
Time for the output oscillators to
recover from tristate mode after
OUTDIS-signal goes high
Time for power-down mode of
operation to take effect
Time for recovery from power-down
mode to a valid CLK
Time for MCLK to go high after
PWRDWN is asserted high
Delay of MCLK prior to f
MCLK
signal at output
Clock period of serial clock
Set-up time
Hold time
Load command
t
3
Rise times
t
4
3
ns
Fall times
t
5
3
ns
freq1 output
freq2 output
f
REF
mux time
t
freq1
t
freq2
t
A
0.5
REF
1.5
REF
ns
Time-out interval
t
time-out
2
5
10
ms
t
freq2
muxtime
t
B
t
REF
t
REF
ns
Tristate
t
6
12
ns
CLK valid
t
7
12
ns
Power-Down
t
8
12
ns
Power-Up
t
9
12
ns
MCLKOUT high
t
10
0
t
PWRDWN
ns
MCLKOUT delay
t
11
t
MCLK
t
MCLK
ns
t
serclk
t
SU
t
HD
t
ldcmd
2
t
REF
20
10
0
2
ms
ns
ns
ns
t
1
+30
Notes:
1.
2.
3.
For reference frequencies other than 14.81818 MHz, the pre-loaded ROM frequencies will shift proportionally.
Duty cycle is measured at CMOS threshold levels. At 5 volts, V
TH
=2.5 volts.
If the interval is too short, see the time-out interval section in the control register definition.
ICS82C404
9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS82C404XXCW16 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| ICS830154AGI-08LF | 制造商:Integrated Device Technology Inc 功能描述:IC FANOUT BUFFER 1.5V 1:4 8TSSOP 制造商:Integrated Device Technology Inc 功能描述:IC CLK BUFFER 1:4 160MHZ 8TSSOP |
| ICS830154AGI-08LFT | 制造商:Integrated Device Technology Inc 功能描述:IC FANOUT BUFFER 1.5V 1:4 8TSSOP 制造商:Integrated Device Technology Inc 功能描述:IC CLK BUFFER 1:4 160MHZ 8TSSOP |
| ICS830154AMI-08LF | 功能描述:IC CLOCK BUFFER 1:4 160MHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器，驅(qū)動器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:74 系列:- 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL，LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:管件 |
| ICS830154AMI-08LFT | 功能描述:IC CLOCK BUFFER 1:4 160MHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器，驅(qū)動器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:74 系列:- 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 輸入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 輸出:HCSL，LVDS 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:管件 |
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