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74HC640DB Datasheet(PDF) 4 Page - NXP Semiconductors

Part # 74HC640DB
Description  Octal bus transceiver; 3-state; inverting
PDF  6 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC640DB Datasheet(HTML) 4 Page - NXP Semiconductors

  74HC640DB Datasheet HTML 1Page - NXP Semiconductors 74HC640DB Datasheet HTML 2Page - NXP Semiconductors 74HC640DB Datasheet HTML 3Page - NXP Semiconductors 74HC640DB Datasheet HTML 4Page - NXP Semiconductors 74HC640DB Datasheet HTML 5Page - NXP Semiconductors 74HC640DB Datasheet HTML 6Page - NXP Semiconductors  
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March 1988
4
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state; inverting
74HC/HCT640
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr =tf = 6 ns; CL =50pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
−40 to +85 −40 to +125
min.
typ.
max. min. max. min.
max.
tPHL/ tPLH
propagation delay
An to Bn;
Bn to An
30
11
9
90
18
15
115
23
20
135
27
23
ns
2.0
4.5
6.0
Fig.5
tPZH/ tPZL
3-state output enable time
OE, DIR to An;
OE, DIR to Bn
44
16
13
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.6
tPHZ/ tPLZ
3-state output disable time
OE, DIR to An;
OE, DIR to Bn
50
18
14
150
30
26
190
38
33
225
45
38
ns
2.0
4.5
6.0
Fig.6
tTHL/ tTLH
output transition time
14
5
4
60
12
10
75
15
13
90
18
15
ns
2.0
4.5
6.0
Fig.5



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