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參數(shù)資料
| 型號： | SY89645LK4G |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 0K |
| 描述： | IC CLK BUFFER 1:4 650MHZ 20TSSOP |
| 標準包裝： | 74 |
| 系列： | Precision Edge® |
| 類型： | 扇出緩沖器（分配） |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:4 |
| 差分 - 輸入:輸出： | 無/是 |
| 輸入： | LVCMOS，LVTTL |
| 輸出： | LVDS |
| 頻率 - 最大： | 650MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1083 (CN2011-ZH PDF) |
| 其它名稱： | 576-1599 |
Micrel, Inc.
SY89645L
June 2011
4
M9999-060711
hbwhelp@micrel.com or (408) 955-1690
Absolute Maximum Ratings
(1)
Supply Voltage (VCC)............................... –0.5V to +4.6V
Input Voltage (VIN)............................ –0.5V to VCC +0.3V
LVDS Output Current (IOUT)..................................±10mA
Lead Temperature (soldering, 20sec.).................. 260°C
Storage Temperature (Ts) ....................–65°C to +150°C
Operating Ratings
(2)
Supply Voltage (VIN)............................. +3.135V to +3.465V
Ambient Temperature (TA) ..........................–40°C to +85°C
Package Thermal Resistance
(3)
TSSOP
Junction-to-Ambient (
θJA)
Still-Air, Multi-Layer Board..............................75°C/W
Junction-to-Case (
θJC)...........................................21°C/W
DC Electrical Characteristics
(4)
VDD = 3.3V ±5%, TA = –40°C to +85°C, unless otherwise stated.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VCC
Positive Supply Voltage Range
3.135
3.3
3.465
V
ICC
Power Supply Current
No Load
43
60
mA
LVCMOS/LVTTL DC Electrical Characteristics
(4)
VCC = 3.3V ±5%, TA = –40°C to +85°C, unless otherwise stated.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VIH
Input HIGH Voltage
CLKIN, CLK_EN
2
VCC+0.15
V
VIL
Input LOW Voltage
CLKIN, CLK_EN
-0.3
0.8
V
IIH
Input HIGH Current
CLKIN
CLK_EN
VCC = VIN = 3.465V
150
70
A
IIL
Input LOW Current
CLKIN
CLK_EN
VCC = 3.465V, VIN = 0V
-70
-150
A
LVDS Outputs DC Electrical Characteristics
(4)
VCC = 3.3V ±5%, RL = 100 across the outputs, TA = –40°C to +85°C, unless otherwise stated.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VOUT
Output Voltage Swing
See Figure 1a
200
280
mV
VDIFF_OUT
Differential Output Voltage Swing
See Figure 1b
400
560
mV
VOCM
Output Common Mode Voltage
1.125
1.25
1.375
V
ΔVOCM
Change in Common Mode
Voltage
5
25
mV
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.
ψJB and θJA values are determined for a 4-layer board in still-air number, unless otherwise stated.
4. The circuit is designed to meet the DC specifications shown in the above table after thermal equilibrium has been established.
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