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參數(shù)資料
| 型號(hào)： | XRK4991A |
| 廠商： | Exar Corporation |
| 英文描述： | 3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER |
| 中文描述： | 3.3高速（85兆赫）可編程相偏時(shí)鐘緩沖器 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 255K |
| 代理商： | XRK4991A |
xr
REV. P1.0.2
PRELIMINARY
3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER
XRK4991A
7
ELECTRICAL SPECIFICATIONS
N
OTES
:
5.
Stresses beyond those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is not implied.
N
OTES
:
6.
These inputs are normally wired to VCC, GND, or unconnected. Internal termination resistors bias unconnected
inputs to V
CC
/2. If these inputs are switched (during operation), the function and timing of the outputs may be
glitched, and the PLL may require an additional t
LOCK
time before all datasheet limits are achieved.
ABSOLUTE MAXIMUM RATINGS
(5)
Storage Temperature
–65
°
C to +150
°
C
Ambient Temperature with Power Applied
–55
°
C to +125
°
C
Supply Voltage to Ground
–0.5V to +7.0V
DC Input Voltage
–0.5V to +7.0V
Output Current into Outputs (LOW)
64 mA
Static Discharge Voltage (per MIL-STD-883, Method 3015)
>2001V
Latch-Up Current.
>200 mA
T
ABLE
4: DC E
LECTRICAL
C
HARACTERISTICS
O
VER
THE
3.3
V
+
10% O
PERATING
R
ANGE
S
YMBOL
D
ESCRIPTION
M
IN
M
AX
U
NIT
C
ONDITION
V
IH
Input HIGH Voltage
(CLKIN, FB_IN, OE, PE)
2.0
V
CC
V
Guaranteed Logic HIGH
(CLKIN, FB_IN, OE, PE Inputs Only)
V
IL
Input LOW Voltage
(CLKIN, FB_IN, OE, PE)
0.8
V
Guaranteed Logic LOW
(CLKIN, FB_IN, OE, PE Inputs Only)
V
IHH
Three-Level Input HIGH Voltage
[6]
V
CC
-0.6
V
CC
V
3-Level Inputs Only
V
IMM
Three-Level Input MID Voltage
[6]
V
CC/2
-0.3
V
CC/2
/+0.3
V
3-Level Inputs Only
V
ILL
Three-Level Input LOW Voltage
[6]
0.6
V
3-Level Inputs Only
I
IN
Input Leakage Current
(CLKIN and FB_IN inputs only)
± 5
μΑ
V
CC
= Max. V
IN
= V
CC
or GND
I
3
3-Level Input DC Current
(TEST, FSEL)
±200
μΑ
V
IN
= V
CC
HIGH Level
±50
μΑ
V
IN
= V
CC
/2
MID Level
±200
μΑ
V
IN
= GND
LOW Level
I
IPU
Input Pull-Up Current (PE)
±100
μΑ
V
CC
= Max V
IN
= GND
I
IPD
Input Pull-Down Current (OE)
±100
μ
A
V
CC
= Max V
IN
= V
CC
V
OH
Output HIGH Voltage
2.4
V
V
CC
= Min., I
OH
= -12mA
V
OL
Output LOW Voltage
0.55
V
V
CC
= Min., I
OL
= 12mA
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| XRK4991ACJ-5 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER |
| XRK4991ACJ-7 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER |
| XRK4991AIJ-5 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER |
| XRK4991AIJ-7 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER |
| XRK4991CJ-2 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V HIGH-SPEED (85 MHZ) PROGRAMMABLE SKEW CLOCK BUFFER |
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