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Part Name
Description
74F646 View Datasheet(PDF) - Philips Electronics
Part Name
Description
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74F646
Octal transceiver/register, non-inverting (3-State)
Philips Electronics
74F646 Datasheet PDF : 16 Pages
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Philips Semiconductors
Transceivers/registers
Product specification
74F646/A/74F648/A
AC ELECTRICAL CHARACTERISTICS FOR 74F648
SYMBOL
PARAMETER
f
max
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PHZ
t
PLZ
Maximum clock frequency
Propagation delay
CPAB or CPBA to An or Bn
Propagation delay
An to Bn or Bn to An
Propagation delay
SAB or SBA to An or Bn
Output enable time
OE to An or Bn
Output enable time
DIR to An or Bn
Output disable time
OE to An or Bn
Output disable time
DIR to An or Bn
TEST CONDITION
Waveform 1
Waveform 1
Waveform 3
Waveform 2,3
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 5
Waveform 6
Waveform 5
Waveform 6
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
Ω
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
Ω
MIN TYP MAX
MIN
MAX
100 115
90
5.0
7.0
9.5
4.5
11.0
5.0
7.5
9.5
4.5
11.0
3.0
6.0
8.5
2.5
9.5
4.0
6.0
8.5
3.5
9.5
4.5
7.0
8.5
4.5
10.5
4.5
6.5
8.5
4.5
9.5
4.5
7.0 10.0
4.5
11.0
6.0
8.5 11.0
5.5
12.5
4.5
7.0 10.0
4.0
11.0
6.0
8.5 11.0
5.5
12.5
6.0
9.0 11.5
6.0
12.5
6.0
8.5 12.0
6.0
13.5
5.0
9.0 12.5
4.5
14.0
5.0
9.0 12.5
5.0
14.0
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
AC SETUP REQUIREMENTS FOR 74F648
SYMBOL
PARAMETER
t
su
(H)
t
su
(L)
t
h
(H
)
t
h
(
L
)
t
w
(H)
t
w
(L)
Setup time, high or low
An or Bn to CPAB or CPBA
Hold time, high or low
An or Bn to CPAB or CPBA
Pulse width, high or low
CPAB or CPBA
TEST CONDITION
Waveform 4
Waveform 4
Waveform 1
LIMITS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
Ω
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
Ω
MIN TYP MAX
MIN
MAX
4.0
5.0
4.0
5.0
0
0
0
0
3.5
4.0
6.5
7.0
UNIT
ns
ns
ns
1990 Sep 25
9
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