74f50109 NXP Semiconductors, 74f50109 Datasheet - Page 8

• Manufacturer Part Number: 74f50109
• Description: Synchronizing Dual J-k Positive Edge-triggered Flip-flop With Metastable Immune Characteristics
• Manufacturer: NXP Semiconductors

For all waveforms, V
The shaded areas indicate when the input is permitted to change for
Philips Semiconductors
AC WAVEFORMS
Waveform 1. Propagation delay for data to output, data
Waveform 3. Recovery time for set or reset to output
NOTES:
TEST CIRCUIT AND WAVEFORM
September 14, 1990
Jn, Kn
Synchronizing dual J–K positive edge-triggered
flip-flop with metastable immune characteristics
CPn
predictable output performance.
DEFINITIONS:
R
C
R
Qn
Qn
T
L
L
SDn or RDn
GENERATOR
= Load resistor;
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
PULSE
CPn
see AC ELECTRICAL CHARACTERISTICS for value.
see AC ELECTRICAL CHARACTERISTICS for value.
pulse generators.
setup time and hold times, and clock
width, and maximum clock frequency
Test Circuit for Totem-Pole Outputs
V
t
su
M
V
M
(L)
M
V
t
h
IN
V
(L)
t
t
= 1.5V.
PLH
PHL
M
t
w
(H)
R
T
D.U.T.
V
V
V
V
M
CC
1/f
M
M
V
M
max
t
rec
V
OUT
t
w
(L)
t
V
V
su
C
M
M
L
(H)
SF00603
R
L
t
h
V
OUT
V
(H)
t
M
PHL
t
M
PLH
V
V
M
M
of
SF00139
NEGATIVE
PULSE
POSITIVE
PULSE
family
8
74F
Waveform 2. Propagation delay for set and reset to output,
Waveform 4. Output skew
SDn
RDn
90%
Qn
Qn
10%
amplitude
Qn, Qn
Qn, Qn
V
M
3.0V
V
INPUT PULSE REQUIREMENTS
V
M
90%
M
10%
set and reset pulse width
t
t
PLH
PHL
t
t
TLH (
THL (
Input Pulse Definition
t
1.5V
w
V
(L)
M
t
t
r
f
)
)
rep. rate
V
V
1MHz
M
M
t
t
w
w
V
V
M
M
t
t
t
TLH (
sk(o)
THL (
500ns
t
t
r
f
t
10%
90%
)
)
w
V
M
V
V
M
M
V
M
2.5ns
t
TLH
SF00590
74F50109
Product specification
t
t
PHL
PLH
90%
10%
V
t
w
V
M
M
(L)
2.5ns
t
THL
AMP (V)
0V
0V
AMP (V)
SF00006
SF00050
V
M