參數(shù)資料
型號(hào): LTC3776
廠商: Linear Technology Corporation
英文描述: 16-Bit Buffer/Driver With 3-State Outputs 48-TVSOP -40 to 85
中文描述: 雙2相,無(wú)檢測(cè)電阻同步控制器用于DDR / QDR存儲(chǔ)器終端
文件頁(yè)數(shù): 26/28頁(yè)
文件大?。?/td> 429K
代理商: LTC3776
26
LTC3776
3776f
U
PACKAGE DESCRIPTIO
UF Package
24-Lead Plastic QFN (4mm
×
4mm)
(Reference LTC DWG # 05-08-1697)
4.00
±
0.10
(4 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220 VARIATION (WGGD-X)—TO BE APPROVED
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE, IF PRESENT
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40
±
0.10
24
23
1
2
BOTTOM VIEW—EXPOSED PAD
2.45
±
0.10
(4-SIDES)
0.75
±
0.05
R = 0.115
TYP
0.25
±
0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UF24) QFN 0105
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.70
±
0.05
0.25
±
0.05
0.50 BSC
2.45
±
0.05
(4 SIDES)
3.10
±
0.05
4.50
±
0.05
PACKAGE OUTLINE
PIN 1 NOTCH
R = 0.20 TYP OR
0.35
×
45
°
CHAMFER
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