74F579_00 Datasheet, PDF (5/8 Pages) Fairchild Semiconductor – 8-Bit Bidirectional Binary Counter with 3-STATE Outputs

AC Electrical Characteristics
Symbol
Parameter
f_MAX
t_PLH
t_PHL
t_PLH
t_PHL
t_PLH
t_PHL
t_PLH
t_PHL
t_PHL
t_PHL
t_PZH
t_PZL
t_PHZ
t_PLZ
t_PZH
t_PZL
t_PHZ
t_PLZ
Maximum Clock Frequency
Propagation Delay
CP to I/O_n
Propagation Delay
CP to TC
Propagation Delay
U/D to TC
Propagation Delay
CEP or CET to TC
Propagation Delay
MR to I/O_n
Propagation Delay
MR to TC
Output Enable Time
CS or PE to I/O
Output Disable Time
CS or PE to I/O
Output Enable Time
OE to I/O_n
Output Disable Time
OE to I/O_n
AC Operating Requirements
Symbol
Parameter
t_S(H)
t_S(L)
t_H(H)
t_H(L)
t_S(H)
t_S(L)
t_H(H)
t_H(L)
t_S(H)
t_S(L)
t_H(H)
t_H(L)
t_S(H)
t_S(L)
t_H(H)
t_H(L)
t_W(H)
t_W(L)
t_W(L)
t_REC
Setup Time
I/O_n to CP
Hold Time
I/O_n to CP
Setup Time
PE, CS or SR to CP
Hold Time
PE, CS or SR to CP
Setup Time
CET or CEP to CP
Hold Time
CET or CEP to CP
Setup Time
U/D to CP
Hold Time
U/D to CP
Clock Pulse Width
HIGH or LOW
MR Pulse Width
Recovery Time
MR to CP
T_A = +25°C
V_CC = +5.0V
C_L = 50 pF
Min
Typ
Max
70
85
3.0
5.0
7.5
5.0
8.0
11.5
5.0
7.5
11.5
5.0
7.0
11.5
4.5
7.0
9.0
4.5
8.0
9.5
2.5
3.8
6.0
3.5
6.0
8.0
5.0
7.5
10.0
6.5
10.0
13.0
3.0
5.0
8.5
5.5
8.0
10.5
2.0
5.0
8.5
2.0
4.5
8.0
3.0
5.0
8.0
5.0
8.0
11.0
2.0
4.0
6.5
2.0
4.0
6.0
T_A = 0°C to +70°C
V_CC = +5.0V
C_L = 50 pF
Min
Max
80
3.0
8.0
5.0
11.5
5.0
12.0
5.0
12.0
4.5
10.0
4.5
10.0
2.5
6.5
3.5
8.5
5.0
10.0
6.5
13.5
3.0
9.0
5.5
11.5
2.0
9.0
2.0
8.5
3.0
8.5
5.0
12.0
2.0
6.5
2.0
6.5
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
T_A = +25°C
V_CC = +5.0V
Min
Typ
Max
4.0
4.0
0.0
0.0
9.5
9.5
0.0
0.0
6.5
9.5
0.0
0.0
9.0
9.0
0.0
0.0
4.5
4.5
3.0
4.0
T_A = 0°C to +70°C
V_CC = +5.0V
Min
Max
4.0
4.0
0.0
0.0
9.5
9.5
0.0
0.0
6.5
9.5
0.0
0.0
9.5
9.5
0.0
0.0
4.5
4.5
3.0
4.0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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