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MC10231 Datasheet PDF : 5 Pages
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
High Speed Dual Type D
Master-Slave Flip-Flop
The MC10231 is a dual master–slave type D flip–flop. Asynchronous Set (S)
and Reset (R) override Clock (CC) and Clock Enable (CE) inputs. Each flip–flop
may be clocked separately by holding the common clock in the low state and
using the enable inputs for the clocking function. If the common clock is to be
used to clock the flip–flop, the Clock Enable inputs must be in the low state. In
this case, the enable inputs perform the function of controlling the common
clock.
The output states of the flip–flop change on the positive transition of the
clock. A change in the information present at the data (D) input will not affect the
output information at any other time due to master–slave construction.
PD = 270 mW typ/pkg (No Load)
tpd = 2 ns typ
tTog= 225 MHz typ
tr, tf = 2.0 ns typ (20%–80%)
LOGIC DIAGRAM
S1 5
D1 7
CE1 6
R1 4
CC 9
R2 13
Q1
2
Q1
3
VCC1 = PIN 1
VCC2 = PIN 16
VEE = PIN 8
CE2 11
D2 10
Q2
15
Q2
14
S2 12
CLOCKED TRUTH TABLE
C
D
Qn+1
L
X
Qn
H
L
L
H
H
H
C = CE + CC. A clock H is a clock
transition from a low to a high state.
R–S TRUTH TABLE
R
S
Qn+1
L
L
Qn
L
H
H
H
L
L
H
H
N.D.
N.D. = Not Defined
MC10231
L SUFFIX
CERAMIC PACKAGE
CASE 620–10
P SUFFIX
PLASTIC PACKAGE
CASE 648–08
FN SUFFIX
PLCC
CASE 775–02
DIP
PIN ASSIGNMENT
VCC1
1
Q1
2
Q1
3
R1
4
S1
5
CE1
6
D1
7
VEE
8
16
VCC2
15
Q2
14
Q2
13
R2
12
S2
11
CE2
10
D2
9
CC
Pin assignment is for Dual–in–Line Package.
For PLCC pin assignment, see the Pin Conversion
Tables on page 6–11 of the Motorola MECL Data
Book (DL122/D).
3/93
© Motorola, Inc. 1996
3–202
REV 5
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