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74HC245 Datasheet(PDF) 3 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

Part No. 74HC245
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  FUMAN [SHENZHEN FUMAN ELECTRONICS CO., LTD.]
Direct Link  http://www.superchip.cn
Logo FUMAN - SHENZHEN FUMAN ELECTRONICS CO., LTD.

74HC245 Datasheet(HTML) 3 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

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深圳市富满电子有限公司
SHENZHEN FUMAN ELECTRONICS CO., LTD.
74HC245(文件编号:S&CIC0524)
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
第 3 页 共 6 页
absolute maximum ratings over operating free-air temperature range
Supply voltage range, Vcc………………………………………………………………………………………-0.5V to 7V
Input clamp current, IIK (VI<0 or VI>Vcc) (see Note 1) ………………………………………………………±20mA
Output clamp current, IOK (VO<0 or VO>Vcc) (see Note 1) …………………………………………………±20mA
Continuous output current, IO (VO = 0 to Vcc)………………………………………………………………. ±35mA
Continuous current through Vcc to GND………………………………………………………………………±70mA
Package thermal impedance, θJA (see Note 2): DB package………………………………………………….115℃/W
DW package………………………………………………….97℃/W
N package…………………………………………………..67℃/W
PW package………………………………………………...128℃/W
Storage thermal impedance, Tstg………………………………………………………………………………-65℃ to 150℃
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, except for through-hole packages,
which use a trace length of zero.
RECOMMENDED OPERATING CONDITIONS
74HC245
UNIT
MIN
NOM
MAX
Vcc
Supply voltage
2
5
6
V
VIH
High-level input voltage
Vcc = 2V
1.5
-
-
V
Vcc = 4.5V
3.15
-
-
Vcc= 6V
4.2
-
-
VIL
Low-level input voltage
Vcc = 2V
0
-
0.5
V
Vcc = 4.5V
0
-
1.35
Vcc= 6V
0
-
1.8
VI
Input voltage
0
-
Vcc
V
Vo
Output voltage
0
-
Vcc
V
tt
Input transition (rise and fall) time
Vcc = 2V
0
-
1000
ns
Vcc = 4.5V
0
-
500
Vcc= 6V
0
-
400
TA
Operating free-air temperature
-40
-
85


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