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參數(shù)資料
| 型號(hào)： | SY89858UMGTR |
| 廠商： | MICREL INC |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | PRECISION LOW POWER 1:8 LVPECL FANOUT BUFFER WITH INTERNAL TERMINATION |
| 中文描述： | 89858 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32 |
| 封裝： | 5 X 5 MM, LEAD FREE, MLF-32 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 956K |
| 代理商： | SY89858UMGTR |
Micrel
SY89858U
November 2004
M9999-110504
hbwhelp@micrel.com
or (408) 955-1690
4
Absolute Maximum Ratings
(1)
Supply Voltage (V
CC
).............................–0.5V to +4.0V
Input Voltage (V
IN
).....................................–0.5V to V
CC
Termination Current
Source or sink current on V
T
.....................±100mA
Reference Current
(3)
Source or sink current on V
REF-AC
..............±1.5mA
LVPECL Output Current (I
OUT
)
Continuous....................................................50mA
Surge...........................................................100mA
Lead Temperature (soldering, 20 sec.)............+260°C
Storage Temperature (T
s
) ...................–65°C to 150°C
Operating Ratings
(2)
Supply Voltage (V
CC
) ....................+2.375V to +2.625V
........................................................+3.0V to +3.6V
Ambient Temperature (T
A
)..................–40°C to +85°C
Package Thermal Resistance
(4)
MLF (
JA
)
Still-Air........................................................35°C/W
MLF (
Junction-to-Board ......................................20°C/W
JB
)
DC Electrical Characteristics
(5)
T
A
= –40°C to +85°C, unless otherwise stated.
Symbol
Parameter
Condition
Min
Typ
Max
Units
2.375
2.5
2.625
V
V
CC
Power Supply
3.0
3.3
3.6
V
I
CC
Power Supply Current
No load, max. V
CC
95
150
mA
R
IN
Input Resistance
(IN-to-V
T
)
45
50
55
R
DIFF_IN
Differential Input Resistance
(IN-to-/IN)
90
100
110
V
IH
Input High Voltage
(IN, /IN)
Note 6
V
CC
–1.6
V
CC
V
V
IL
Input Low Voltage
(IN, /IN)
0
V
IH
–0.1
V
V
IN
Input Voltage Swing
(IN, /IN)
See Figure 1a.
0.1
1.7
V
V
DIFF_IN
Differential Input Voltage Swing
|IN-/IN|
See Figure 1b.
0.2
V
V
T_IN
IN-to-V
T
(IN, /IN)
1.28
V
V
REF-AC
Output Reference Voltage
V
CC
–1.3V
V
CC
–1.2V
V
CC
–1.1V
V
Notes:
1. Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is
not implied at conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratings
conditions for extended periods may affect device reliability.
2. The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
3. Due to the limited drive capability use for input of the same package only.
4. Package Thermal Resistance assumes exposed pad is soldered (or equivalent) to the devices most negative potential on the PCB.
JB
values are determined for a 4-layer board in still air, unless otherwise stated.
JA
and
5. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established.
6. V
IH
(min) not lower than 1.2V.
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