74LVC823A PHILIPS [NXP Semiconductors], 74LVC823A Datasheet - Page 8

• Manufacturer Part Number: 74LVC823A
• Description: 9-bit D-type flip-flop with 5-volt tolerant inputs/outputs; positive-edge trigger 3-State
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
AC WAVEFORMS
V
V
output load.
V
V
1998 Sep 24
M
OL
X
Y
HIGH–to–OFF
OFF–to–HIGH
Figure 1. Clock (CP) to output (Q
clock pulse width and the maximum clock pulse frequency.
9-bit D-type flip-flop with 5-volt tolerant
inputs/outputs; positive-edge trigger (3-State)
OFF–to–LOW
LOW–to–OFF
= V
= V
= 1.5V at V
Q n OUTPUT
and V
OE INPUT
CP INPUT
OUTPUT
OL
OH
OUTPUT
V OH
GND
V OH
V OL
V OL
GND
+ 0.3V at V
V CC
GND
–0.3V at V
OH
Figure 2. 3-State enable and disable times.
V I
V I
are the typical output voltage drop that occur with the
CC
w 2.7V; V
enabled
CC
outputs
CC
V M
t PLZ
V M
t PHZ
w 2.7V; V
w 2.7V; V
t PHL
t W
M
V X
= 0.5 V
1/f max
V Y
V M
Y
X
= V
= V
CC
n
OH
) propagation delays, the
disabled
outputs
OL
at V
– 0.1 V
+ 0.1 V
CC
t PZL
t PZH
t 2.7V.
CC
CC
t PLH
at V
at V
V M
V M
CC
SA00423
CC
SA00424
outputs
enabled
t 2.7V
t 2.7V
8
TEST CIRCUIT
Figure 3. Data setup and hold times for the D
GENERATOR
CP INPUT
MR INPUT
Q
D n,
Figure 4. Master reset pulse width, master reset to clock
removal time, master reset to output propagation delay.
n
NOTE: The shaded areas indicate when the input is permitted to change
Q n OUTPUT
PULSE
CE
OUTPUT
CP INPUT
INPUT
GND
V OH
GND
V OL
Figure 5. Load circuitry for switching times.
for predictable output performance.
2.7V – 3.6V
V I
V I
t 2.7V
É É É É É É É É É É É
É É É É É É É É É É É
V
CC
V
I
V M
input to the CP input.
R
2.7V
V
T
V
CC
D.U.T.
I
V M
V
t su
CC
t h
V
t
O
PHL
t
C
w
t
t
V M
t
PHZ
PLH
PLZ
L
Test
/t
/t
/t
PHL
PZL
PZH
74LVC823A
t
50pF
rem
Product specification
n
2 x V
t su
Open
GND
input and CE
S
500
500
S
1
CC
1
SA00425
t h
SA00519
SY00003
2 x V
Open
GND
CC