參數資料
| 型號： | SY89297UMG |
| 廠商： | Micrel Inc |
| 文件頁數： | 11/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DELAY LINE 1024TAP 24-QFN |
| 標準包裝： | 75 |
| 系列： | Precision Edge® |
| 標片/步級數： | 1024 |
| 功能： | 多重，可編程 |
| 延遲到第一抽頭： | 2ns |
| 接頭增量： | 5ps |
| 可用的總延遲： | 2ns ~ 7.5ns |
| 獨立延遲數： | 2 |
| 電源電壓： | 2.375 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤 |
| 供應商設備封裝： | 24-QFN（4x4） |
| 包裝： | 管件 |
| 其它名稱： | 576-3706-5 SY89297UMG-ND |
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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