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參數(shù)資料
| 型號： | SNJ54HC623FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 526K |
| 代理商： | SNJ54HC623FK |
SN54HC623, SN74HC623
OCTAL BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCLS149C – DECEMBER 1982 – REVISED DECEMBER 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54HC623
SN74HC623
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
2
5
6
2
5
6
V
VCC = 2 V
1.5
VIH
High-level input voltage
VCC = 4.5 V
3.15
V
VIH
High level in ut voltage
VCC = 6 V
4.2
V
VCC = 2 V
0.5
VIL
Low-level input voltage
VCC = 4.5 V
1.35
V
VIL
Low level in ut voltage
VCC = 6 V
1.8
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
VCC = 2 V
1000
t/v
Input transition rise/fall time
VCC = 4.5 V
500
ns
t/v
In ut transition rise/fall time
VCC = 6 V
400
ns
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
SN54HC623
SN74HC623
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
IOH = –20 A
4.5 V
4.4
4.499
4.4
VOH
VI = VIH or VIL
IOH
20
A
6 V
5.9
5.999
5.9
V
VOH
VI VIH or VIL
IOH = –6 mA
4.5 V
3.98
4.3
3.7
3.84
V
IOH = –7.8 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
IOL = 20 A
4.5 V
0.001
0.1
VOL
VI = VIH or VIL
IOL 20 A
6 V
0.001
0.1
V
VOL
VI VIH or VIL
IOL = 6 mA
4.5 V
0.17
0.26
0.4
0.33
V
IOL = 7.8 mA
6 V
0.15
0.26
0.4
0.33
II
OEAB or
OEBA
VI = VCC or 0
6 V
±0.1
±100
±1000
nA
IOZ
A or B
VO = VCC or 0
6 V
±0.01
±0.5
±10
±5
A
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
A
Ci
OEAB or
OEBA
2 V to 6 V
3
10
pF
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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