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HEF40374B Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. HEF40374B
Description  Octal D-type flip-flop with 3-state outputs
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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HEF40374B Datasheet(HTML) 6 Page - NXP Semiconductors

   
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January 1995
6
Philips Semiconductors
Product specification
Octal D-type flip-flop with 3-state outputs
HEF40374B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
CP
→ On
5
125
250
ns
113 ns
+ (0,24 ns/pF) CL
HIGH to LOW
10
tPHL
55
110
ns
54 ns
+ (0,01 ns/pF) CL
15
40
80
ns
36 ns
+ (0,07 ns/pF) CL
CP
→ On
5
125
250
ns
122 ns
+ (0,06 ns/pF) CL
LOW to HIGH
10
tPLH
55
110
ns
53 ns
+ (0,03 ns/pF) CL
15
40
80
ns
39 ns
+ (0,02 ns/pF) CL
Output transition
5
40
80
ns
see Fig.6
times
10
tTHL
20
40
ns
HIGH to LOW
15
15
30
ns
530
60
ns
LOW to HIGH
10
tTLH
20
40
ns
15
15
30
ns
3-state propagation delays
Output disable times
EO
→ On
5
60
120
ns
HIGH
10
tPHZ
30
60
ns
15
24
48
ns
5
70
140
ns
LOW
10
tPLZ
35
70
ns
15
30
60
ns
Output enable times
EO
→ On
5
65
130
ns
HIGH
10
tPZH
30
60
ns
15
24
48
ns
5
85
170
ns
LOW
10
tPZL
35
70
ns
15
25
50
ns
Set-up time
5
20
0
ns
Dn → CP
10
tsu
20
2
ns
15
20
5
ns
Hold time
5
20
10
ns
Dn → CP
10
thold
15
2
ns
15
10
0
ns


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