参数资料
| 型号： | SY89297UMG TR |
| 厂商： | Micrel Inc |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | IC DELAY LINE 1024TAP 24-QFN |
| 标准包装： | 1,000 |
| 系列： | Precision Edge® |
| 标片/步级数： | 1024 |
| 功能： | 多重，可编程 |
| 延迟到第一抽头： | 2ns |
| 接头增量： | 5ps |
| 可用的总延迟： | 2ns ~ 7.5ns |
| 独立延迟数： | 2 |
| 电源电压： | 2.375 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN（4x4） |
| 包装： | 带卷 (TR) |
Micrel, Inc.
SY89297U
December 2011
5
M9999-120211-C
hbwhelp@micrel.com or (408) 955-1690
Absolute Maximum Ratings(1)
Supply Voltage (VCC).................................. –0.5V to +4.0V
Input Voltage (VIN).......................................... –0.5V to VCC
CML Output Voltage (VOUT)… ....... VCC 1.0V to VCC +0.5V
Current (VT)
Source or Sink Current on VT pin..................... ±70mA
Input Current
Source or Sink Current on (IN, /IN) .................. ±35mA
Current (VREF)
Source or sink current on VREF-AC
(2) ................ .±0.5mA
Maximum operating Junction Temperature ............ 125°C
Lead Temperature (soldering, 20sec.)..................... 260°C
Storage Temperature (Ts) ....................... –65°C to +150°C
Operating Ratings(3)
Supply Voltage (VCC)
TA (40°C to +85°C)................ +2.375V to +2.625V
TA (40°C to +75°C).......................... +3.0V to 3.6V
Ambient Temperature (TA) .......................... 40°C to +85°C
Package Thermal Resistance(4)
QFN
(θJA)
Still-Air ...............................................................43°C/W
QFN
(ψJB)
Junction-to-Board ...........................................30.5°C/W
DC Electrical Characteristics(5)
TA = 40°C to +85°C, Channels A and B, unless otherwise stated.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
VCC
Power Supply Voltage Range
TA: 40°C to +85°C
2.375
2.5
2.625
V
TA: 40°C to +75°C
3.0
3.3
3.6
V
TA: 40°C to +85°C,
Airflow = 500 LFPM
3.0
3.3
3.6
V
ICC
Power Supply Current
Maximum VCC, Both Channels
Combined, Output Load Included
195
250
mA
RIN
Input Resistance
(IN-to-VT, /IN-to-VT)
45
50
55
RDIFF_IN
Differential Input Resistance
(IN-to-/IN)
90
100
110
VIH
Input HIGH Voltage (IN, /IN)
1.2
VCC
V
VIL
Input LOW Voltage (IN, /IN)
0
VIH–0.1
V
VIN
Input Voltage Swing (IN, /IN)
See Figure 5a
0.1
1.0
V
VDIFF_IN
Differential Input Voltage Swing
(|IN - /IN|)
See Figure 5b
0.2
V
VREF-AC
Output Reference Voltage
VCC–1.3
VCC–1.2
VCC–1.1
V
VT_IN
Voltage from Input to VT
1.28
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 Rating” conditions for
extended periods may affect device reliability.
2. Due to the limited drive capability, use for input of the same package only.
3. The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
4. Thermal performance on QFN packages assumes exposed pad is soldered (or equivalent) to the device most negative potential (GND).
5. The circuit is designed to meet the DC specifications shown in the table after thermal equilibrium has been established.
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