參數(shù)資料
型號(hào): 74HCT244A
廠商: ON SEMICONDUCTOR
英文描述: Octal 3−State Noninverting Buffer/Line Driver/Line Receiver with LSTTL−Compatible Inputs
文件頁(yè)數(shù): 7/8頁(yè)
文件大?。?/td> 123K
代理商: 74HCT244A
MC74HCT244A
http://onsemi.com
7
PACKAGE DIMENSIONS
TSSOP20
DT SUFFIX
CASE 948E02
ISSUE C
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MIN
6.40
MAX
6.60
4.50
1.20
0.15
0.75
MIN
0.252
MAX
0.260
0.177
0.047
0.006
0.030
INCHES
MILLIMETERS
4.30
0.169
0.05
0.50
0.65 BSC
0.27
0.09
0.09
0.19
0.19
6.40 BSC
0
0.002
0.020
0.026 BSC
0.011
0.004
0.004
0.007
0.007
0.252 BSC
0
0.37
0.20
0.16
0.30
0.25
0.015
0.008
0.006
0.012
0.010
8
8
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION:
MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE
MOLD FLASH, PROTRUSIONS OR GATE
BURRS. MOLD FLASH OR GATE BURRS
SHALL NOT EXCEED 0.15 (0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION
SHALL NOT EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08
(0.003) TOTAL IN EXCESS OF THE K
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE W.
íííí
íííí
íííí
SECTION NN
1
10
11
20
PIN 1
A
B
T
0.100 (0.004)
C
D
G
H
K
J J1
N
N
M
F
W
SEATING
PLANE
V
U
S
U
M
0.10 (0.004)
V
S
T
20X REF
L
L/2
2X
S
U
0.15 (0.006) T
DETAIL E
0.25 (0.010)
DETAIL E
S
U
0.15 (0.006) T
7.06
0.36
16X
1.26
0.65
PITCH
DIMENSIONS: MILLIMETERS
1
*For additional information on our PbFree strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
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參數(shù)描述
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74HCT244BQ,115 功能描述:緩沖器和線路驅(qū)動(dòng)器 OCTAL BUFFER 3-STATE RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
74HCT244BQ-G 功能描述:緩沖器和線路驅(qū)動(dòng)器 OCTAL BUFFER 3-STATE RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel