hef40240b NXP Semiconductors, hef40240b Datasheet - Page 5

• Manufacturer Part Number: hef40240b
• Description: Octal Inverting Buffers With 3-state Outputs
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
PARAMETER
Propagation delays
Output transition
3-state propagation delays
Output disable times
Output enable times
SS
Octal inverting buffers with 3-state outputs
I
I
times
EO
EO
An/Bn
An/Bn
= 0 V; T
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
HIGH
LOW
HIGH
LOW
O
O
An/Bn
An/Bn
O
O
amb
An/Bn
An/Bn
= 25 C; C
L
= 50 pF; input transition times
V
V
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
DD
5
5
5
5
5
5
5
5
SYMBOL MIN.
t
t
t
t
t
t
t
t
PHL
PLH
THL
TLH
PHZ
PLZ
PZH
PZL
5
TYP. MAX. UNIT
20 ns
95
40
30
85
40
30
40
20
15
30
20
15
70
35
30
75
40
30
80
35
30
90
40
30
190
170
140
150
160
180
80
60
80
60
80
40
30
60
40
30
70
60
80
60
70
60
80
60
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
83 ns
35 ns
26 ns
82 ns
38 ns
29 ns
see Fig.6
TYPICAL EXTRAPOLATION
FORMULA
(0,24 ns/pF) C
(0,10 ns/pF) C
(0,07 ns/pF) C
(0,06 ns/pF) C
(0,03 ns/pF) C
(0,02 ns/pF) C
HEF40240B
Product specification
buffers
L
L
L
L
L
L