www.fairchildsemi.com 4
74ABT16952
AC Electrical Characteristics
(SSOP Package)
AC Operating Requirements
Capacitance
Note 5: C
I/O
is measured at frequency f = 1 MHz, per MIL-STD-883, Method 3012.
Symbol Parameter
T
A
= +25°CT
A
= −40°C to +85°C
Units
V
CC
= +5.0V V
CC
= 4.5V to 5.5V
C
L
= 50 pF C
L
= 50 pF
Min Max Min Max
f
MAX
Maximum Clock Frequency 200 200 MHz
t
PLH
Propagation Delay 1.5 5.3 1.5 5.3
ns
t
PHL
CPAB
n
or CPBA
n
to A
n
or B
n
1.5 5.3 1.5 5.3
t
PZH
Output Enable Time 1.5 5.5 1.5 5.5
ns
t
PZL
OEAB
n
or OEBA
n
to A
n
or B
n
1.5 5.5 1.5 5.5
t
PHZ
Output Disable Time 1.5 6.0 1.5 6.0
ns
t
PLZ
OEAB
n
or OEBA
n
to A
n
or B
n
1.5 6.0 1.5 6.0
Symbol Parameter
T
A
= +25°CT
A
= −40°C to +85°C
Units
V
CC
= +5.0V V
CC
= 4.5V to 5.5V
C
L
= 50 pF C
L
= 50 pF
Min Max Min Max
t
S
(H) Setup Time, HIGH 2.5 2.5
ns
t
S
(L) or LOW A
n
or B
n
to CPAB
n
or CPBA
n
2.5 2.5
t
H
(H) Hold Time, HIGH 1.5 1.5
ns
t
H
(L) or LOW A
n
or B
n
to CPAB
n
or CPBA
n
1.5 1.5
t
S
(H) Setup Time, HIGH 2.5 2.5
ns
t
S
(L) or LOW CEA
n
or CEB
n
to CPAB
n
or CPBA
n
2.5 2.5
t
H
(H) Hold Time, HIGH 1.5 1.5
ns
t
H
(L) or LOW CEA
n
or CEB
n
to CPAB
n
or CPBA
n
1.5 1.5
t
W
(H) Pulse Width, 3.0 3.0
ns
t
W
(L) HIGH or LOW to CPAB
n
or CPBA
n
3.0 3.0
Symbol Parameter Typ Units
Conditions
T
A
= 25°C
C
IN
Input Capacitance 5 pF V
CC
= 0V (Non I/O Pins)
C
I/O
(Note 5) Output Capacitance 11 pF V
CC
= 5.0V (A
n
, B
n
)
