Datasheet
SN54AHC16374, SN74AHC16374
16-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS330G – MARCH 1996 – REVISED JANUARY 2000
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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 LOAD
T
A
= 25°C SN54AHC16374 SN74AHC16374
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 80* 130* 70* 70
MHz
f
max
C
L
= 50 pF 55 85 50 50
MH
z
t
PLH
CLK
Q
C
L
=15
p
F
9* 15* 1* 17* 1 17
ns
t
PHL
CLK
Q
C
L
=
15
pF
9* 15* 1* 17* 1 17
ns
t
PZH
OE
Q
C
L
=15
p
F
8* 13* 1* 15* 1 15
ns
t
PZL
OE
Q
C
L
=
15
pF
8* 13* 1* 15* 1 15
ns
t
PHZ
OE
Q
C
L
=15
p
F
9* 14* 1* 16* 1 16
ns
t
PLZ
OE
Q
C
L
=
15
pF
10* 14* 1* 16* 1 16
ns
t
PLH
CLK
Q
C
L
=50
p
F
10.6 16.2 1 18.5 1 18.5
ns
t
PHL
CLK
Q
C
L
=
50
pF
10.6 16.2 1 18.5 1 18.5
ns
t
PZH
OE
Q
C
L
=50
p
F
9.6 14.9 1 16 1 16
ns
t
PZL
OE
Q
C
L
=
50
pF
9.6 14.9 1 16 1 16
ns
t
PHZ
OE
Q
C
L
=50
p
F
10.2 15.5 1 17 1 17
ns
t
PLZ
OE
Q
C
L
=
50
pF
11.8 15.5 1 17 1 17
ns
t
sk(o)
C
L
= 50 pF 1.5
**
1.5 ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
** On products compliant to MIL-PRF-38535, this parameter does not apply.
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 LOAD
T
A
= 25°C SN54AHC16374 SN74AHC16374
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 130* 185* 110* 110
MHz
f
max
C
L
= 50 pF 85 120 75 75
MH
z
t
PLH
CLK
Q
C
L
=15
p
F
5.4* 9.1* 1* 10.1* 1 10.1
ns
t
PHL
CLK
Q
C
L
=
15
pF
5.4* 9.1* 1* 10.1* 1 10.1
ns
t
PZH
OE
Q
C
L
=15
p
F
5.1* 9.1* 1* 10.1* 1 10.1
ns
t
PZL
OE
Q
C
L
=
15
pF
5.1* 9.1* 1* 10.1* 1 10.1
ns
t
PHZ
OE
Q
C
L
=15
p
F
5* 9.5* 1* 10.5* 1 10.5
ns
t
PLZ
OE
Q
C
L
=
15
pF
5* 9.5* 1* 10.5* 1 10.5
ns
t
PLH
CLK
Q
C
L
=50
p
F
6.9 10.1 1 11.5 1 11.5
ns
t
PHL
CLK
Q
C
L
=
50
pF
6.9 10.1 1 11.5 1 11.5
ns
t
PZH
OE
Q
C
L
=50
p
F
6.6 10.1 1 11.5 1 11.5
ns
t
PZL
OE
Q
C
L
=
50
pF
6.6 10.1 1 11.5 1 11.5
ns
t
PHZ
OE
Q
C
L
=50
p
F
6.1 10.5 1 11.5 1 11.5
ns
t
PLZ
OE
Q
C
L
=
50
pF
6.1 10.5 1 11.5 1 11.5
ns
t
sk(o)
C
L
= 50 pF 1
**
1 ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
** On products compliant to MIL-PRF-38535, this parameter does not apply.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.