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U74HC245G-R20-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 U74HC245G-R20-R
功能描述  OCTAL BUS TRANSCEIV WITH 3-STATE OUTPUTS
PDF  5 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U74HC245G-R20-R 数据表(HTML) 4 Page - Unisonic Technologies

  U74HC245G-R20-R Datasheet HTML 1Page - Unisonic Technologies U74HC245G-R20-R Datasheet HTML 2Page - Unisonic Technologies U74HC245G-R20-R Datasheet HTML 3Page - Unisonic Technologies U74HC245G-R20-R Datasheet HTML 4Page - Unisonic Technologies U74HC245G-R20-R Datasheet HTML 5Page - Unisonic Technologies  
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U74HC245
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R502-639.C
SWITCHING CHARACTERISTICS (TA=25°С,CL=50pF,RL=1kΩ,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Propagation delay from input
(A or B) to output (B or A)
tPD
(tPLH/tPHL)
VCC=2V
40
105
ns
VCC=4.5V
15
21
ns
VCC=6V
12
18
ns
3-state output enable time from input
( OE ) to output (A or B)
tEN
(tPZL/tPZH)
VCC=2V
125
230
ns
VCC=4.5V
23
46
ns
VCC=6V
20
39
ns
3-state output disable time from
input ( OE ) to output (A or B)
tDIS
(tPLZ/tPHZ)
VCC=2V
74
200
ns
VCC=4.5V
25
40
ns
VCC=6V
21
34
ns
Output transition time, (A or B)
tT
(tR/tF)
VCC=2V
20
60
ns
VCC=4.5V
8
12
ns
VCC=6V
6
10
ns
OPERATING CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Power Dissipation Capacitance
CPD
No load
40
pF



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