Philips Semiconductors Product specification
74ABT16374B
74ABTH16374B
16-bit D-type flip-flop; positive-edge trigger
(3-State)
1998 Feb 27
7
OE
V
M
t
PZH
t
PHZ
0V
nQx
V
M
V
M
SH00079
V
OH
V
OH
–0.3V
Waveform 3. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
OE
t
PZL
t
PLZ
nQx
V
M
V
M
V
M
SH00080
V
OL
V
OL
+ 0.3V
Waveform 4. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORM
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
R
L
V
CC
R
L
7.0V
Test Circuit for 3-State Outputs
V
M
V
M
t
W
AMP (V)
NEGATIVE
PULSE
10% 10%
90%
90%
0V
V
M
V
M
t
W
AMP (V)
POSITIVE
PULSE
90% 90%
10%
10%
0V
t
THL
(t
F
)
t
TLH
(t
R
)t
THL
(t
F
)
t
TLH
(t
R
)
V
M
= 1.5V
Input Pulse Definition
DEFINITIONS
R
L
= Load resistor; see AC CHARACTERISTICS for value.
C
L
= Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
R
T
= Termination resistance should be equal to Z
OUT
of
pulse generators.
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude Rep. Rate t
W
t
R
t
F
74ABT/H16 3.0V 1MHz 500ns 2.5ns 2.5ns
SWITCH POSITION
TEST SWITCH
t
PLZ
closed
t
PZL
closed
All other open
SA00018
C
L
