Datasheet

 
   
  
SCAS551D− NOVEMBER 1995 − REVISED OCTOBER 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54AC564 SN74AC564
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 75 55 60 MHz
t
w
Pulse duration, CLK high or low 6 7.5 7 ns
t
su
Setup time, data before CLK↑ 2.5 4.5 3 ns
t
h
Hold time, data after CLK↑ 2 2.5 2 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54AC564 SN74AC564
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 95 85 85 MHz
t
w
Pulse duration, CLK high or low 4 5 5 ns
t
su
Setup time, data before CLK↑ 2 3.5 2.5 ns
t
h
Hold time, data after CLK↑ 2 2.5 2 ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
T
A
= 25°C SN54AC564 SN74AC564
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
75 55 60 MHz
t
PLH
CLK
Q
3.5 8.1 14 1 16.5 3.5 15.5
ns
t
PHL
CLK
Q
3.5 8.2 12.5 1 15 3.5 14
ns
t
PZH
OE
Q
2.5 7.2 11.5 1 13 2.5 12.5
ns
t
PZL
OE Q
3 7.7 11 1 12.5 3.5 12
ns
t
PHZ
OE
Q
4 8.6 12.5 1 14 4.5 13.5
ns
t
PLZ
OE
Q
2 7.3 9.5 1 10.5 2.5 10.5
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
T
A
= 25°C SN54AC564 SN74AC564
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
95 85 85 MHz
t
PLH
CLK
Q
2 4.9 10.5 1.5 11.5 2 11.5
ns
t
PHL
CLK
Q
2 5 9.5 1.5 10.5 2 10.5
ns
t
PZH
OE
Q
2 5.1 9 1.5 9.5 2 9.5
ns
t
PZL
OE Q
1.5 5.2 8.5 1.5 9.5 2 9.5
ns
t
PHZ
OE
Q
2 5.7 10.5 1.5 11.5 2 11.5
ns
t
PLZ
OE
Q
1.5 4.8 8 1.5 9 1.5 9
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 1 MHz 50 pF
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