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參數(shù)資料
| 型號： | CY7B991V-7JCT |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 時鐘及定時 |
| 英文描述： | Low Voltage Programmable Skew Clock Buffer |
| 中文描述： | 7B SERIES, PLL BASED CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 293K |
| 代理商： | CY7B991V-7JCT |
CY7B991V
3.3V RoboClock
Document Number: 38-07141 Rev. *C
Page 9 of 14
Electrical Characteristics
Over the Operating Range
[5]
Parameter
Description
Test Conditions
CY7B991V
Unit
Min
2.4
Max
V
OH
V
OL
V
IH
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
(REF and FB inputs only)
Input LOW Voltage
(REF and FB inputs only)
Three Level Input HIGH
Voltage (Test, FS, xFn)
[6]
Three Level Input MID
Voltage (Test, FS, xFn)
[6]
Three Level Input LOW
Voltage (Test, FS, xFn)
[6]
Input HIGH Leakage Current (REF
and FB inputs only)
Input LOW Leakage Current (REF
and FB inputs only)
Input HIGH Current (Test, FS, xFn) V
IN
= V
CC
Input MID Current (Test, FS, xFn)
Input LOW Current (Test, FS, xFn) V
IN
= GND
Short Circuit Current
[7]
Operating Current Used by Internal
Circuitry
V
CC
= Min, I
OH
= –12 mA
V
CC
= Min, I
OL
= 35 mA
V
V
V
0.45
V
CC
2.0
V
IL
–0.5
0.8
V
V
IHH
Min
≤
V
CC
≤
Max.
0.87 * V
CC
V
CC
V
V
IMM
Min
≤
V
CC
≤
Max.
0.47 * V
CC
0.53 * V
CC
V
V
ILL
Min
≤
V
CC
≤
Max.
0.0
0.13 * V
CC
V
I
IH
V
CC
= Max, V
IN
= Max.
20
μ
A
I
IL
V
CC
= Max, V
IN
= 0.4V
–20
μ
A
I
IHH
I
IMM
I
ILL
I
OS
I
CCQ
200
50
–200
–200
95
100
19
μ
A
μ
A
μ
A
mA
mA
V
IN
= V
CC
/2
–50
V
CC
= MAx V
OUT
=GND (25° only)
V
CCN
= V
CCQ
= Max, All
Input Selects Open
Com’l
Mil/Ind
I
CCN
Output Buffer Current per Output
Pair
[8]
Power Dissipation per Output
Pair
[9]
V
CCN
= V
CCQ
= Max, I
OUT
= 0 mA
Input Selects Open, f
MAX
V
CCN
= V
CCQ
= Max, I
OUT
= 0 mA
Input Selects Open, f
MAX
mA
PD
104
mW
‘
Notes
5. See the last page of this specification for Group A subgroup testing information.
6. These inputs are normally wired to V
, GND, or left unconnected (actual threshold voltages vary as a percentage of V
). Internal termination resistors hold
unconnected inputs at V
/2. If these inputs are switched, the function and timing of the outputs glitch and the PLL requires an additional t
LOCK
time before all
datasheet limits are achieved.
7. CY7B991V is tested one output at a time, output shorted for less than one second, less than 10% duty cycle. Room temperature only.
8. Total output current per output pair is approximated by the following expression that includes device current plus load current:
CY7B991V: I
CCN
= [(4 + 0.11F) + [((835 –3F)/Z) + (.0022FC)]N] x 1.1
Where
F = frequency in MHz
C = capacitive load in pF
Z = line impedance in ohms
N = number of loaded outputs; 0, 1, or 2
FC = F
<
C
9. These inputs are normally wired to V
, GND, or left unconnected (actual threshold voltages vary as a percentage of V
). Internal termination resistors hold
unconnected inputs at V
/2. If these inputs are switched, the function and timing of the outputs may glitch and the PLL may require an additional t
LOCK
time
before all datasheet limits are achieved.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7B991V-7JXC | 功能描述:鎖相環(huán) - PLL 3.3V 80MHz 8 TTL COM Programable RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| CY7B991V-7JXCT | 功能描述:鎖相環(huán) - PLL 3.3V 80MHz 8 TTL COM Programable RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| CY7B992 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Skew Clock Buffer |
| CY7B992.2JC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Skew Clock Buffer |
| CY7B992.2JCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Skew Clock Buffer |
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