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参数资料
| 型号： | SNJ54HC244FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 12/20页 |
| 文件大小： | 756K |
| 代理商： | SNJ54HC244FKR |
SN54HC244, SN74HC244
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SCLS130D – DECEMBER 1982 – REVISED AUGUST 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE
(each buffer/driver)
INPUTS
OUTPUT
OE
A
OUTPUT
Y
L
H
L
LL
H
X
Z
logic diagram (positive logic)
1
2
4
6
8
19
11
13
15
17
3
5
7
9
12
14
16
18
1Y1
2Y1
1Y2
1Y3
1Y4
2Y2
2Y3
2Y4
2OE
1OE
2A1
2A2
2A3
2A4
1A1
1A2
1A3
1A4
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO (VO = 0 to VCC)
±35 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND
±70 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): DB package
70
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package
58
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
69
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS package
60
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
83
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
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| SNJ54HC244J | 制造商:Rochester Electronics LLC 功能描述:8409601RA, OCTAL BUFFER/DRIVER 3ST - Bulk 制造商:Texas Instruments 功能描述: |
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| SNJ54HC245W | 制造商:Texas Instruments 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin CFPAK Tube 制造商:Texas Instruments 功能描述:8408501SA, OCTAL BUS TRANSEIVER W/3-ST |
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