74F579 Philips, 74F579 Datasheet - Page 7

• Manufacturer Part Number: 74F579
• Description: 8-bit bidirectional binary counter 3-State
• Manufacturer: Philips

Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS
1992 May 04
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
MAX
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
PZH
PZL
PHZ
PLZ
PZH
PZL
PHZ
PLZ
8-bit bidirectional binary counter (3-State)
Maximum clock frequency
Propagation delay
CP to I/O
Propagation delay
CP to TC
Propagation delay
U/D to TC
Propagation delay
CET to TC
Propagation delay
MR to I/O
Propagation delay
MR to TC
Output Enable time
CS to I/O
Output Disable time
CS to I/O
Output Enable time
PE to I/O
Output Disable time
PE to I/O
Output Disable time
OE to I/O
Output Enable time
OE to I/O
PARAMETER
n
n
n
n
n
n
n
n
TEST CONDITIONS
Waveform 1
Waveform 1
Waveform 1
Waveform 4
Waveform 3
Waveform 2
Waveform 4
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
Waveform 6
Waveform 7
7
MIN
100
5.0
5.0
5.5
5.5
3.5
4.5
3.5
3.5
5.0
4.0
6.0
4.0
5.5
3.0
5.0
3.0
5.0
3.0
2.5
2.5
4.5
1.0
2.0
C
L
= 50pF, R
T
V
amb
CC
TYP
= +5.0V
115
7.5
7.5
7.5
7.5
5.5
6.5
5.5
6.0
7.0
6.5
8.0
5.0
7.0
5.0
7.5
4.5
6.5
4.0
4.0
4.0
5.5
2.5
4.0
= +25 C
L
= 500
LIMITS
MAX
10.5
10.5
10.0
10.0
10.5
10.5
10.0
8.0
8.0
7.0
8.0
9.0
9.0
8.5
7.5
9.5
8.0
7.5
7.5
7.0
9.0
4.0
7.0
C
T
V
L
amb
CC
MIN
= 50pF, R
4.5
5.0
5.0
5.0
3.5
4.5
3.5
3.5
5.0
4.0
6.0
3.5
5.0
3.0
4.5
3.0
4.5
3.0
2.0
2.5
4.0
1.0
2.0
80
= 0 C to +70 C
= +5.0V
L
= 500
MAX
10.0
10.5
12.5
10.0
10.5
11.5
11.5
11.0
11.0
11.5
11.0
11.0
9.0
9.0
8.5
8.5
9.0
9.0
9.0
8.5
8.5
5.5
8.0
10%
Product specification
74F579
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns