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SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1994
11/93
REV 3
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# &% &
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The MC74F1803 is a high-speed, low-power , quad D-type flip-flop featur-
ing separate D-type inputs and inverting outputs with closely matched prop-
agation delays. With a buffered clock (CP) input that is common to all flip-
flops, the MC74F1803 is useful in high-frequency systems as a clock driver ,
providing multiple outputs that are synchronous. Because of the matched
propagation delays, the duty cycles of the output waveforms in a clock driver
application are symmetrical within 2.0 nanoseconds.
•Edge-Triggered D-Type Inputs
•Buffered Positive Edge-Triggered Clock
•Matched Outputs for Synchronous Clock Driver Applications
•Outputs Guaranteed for Simultaneous Switching
Pinout: 14-Lead Plastic (Top View)
14 13 12 11 10 9
123456
8
7
VCC NC O3D3D2O2CP
GND NC O0D0D1O1GND
LOGIC DIAGRAM
CP
D0
CP D
Q
O0
D1
CP D
Q
O1
D2
CP D
Q
O2
D3
CP D
Q
O3
VCC = Pin 14; GND = Pins 1,7; NC = Pins 2, 13
NOTE: This diagram is provided only for the understanding of logic operations and
should not be used to estimate propagation delays
This document contains information on a new product. Specifications and information herein are subject to
change without notice.
CLOCK DRIVER QUAD
D-TYPE FLIP-FLOP WITH
MATCHED PROPAGATION
DELAYS
N SUFFIX
PLASTIC
CASE 646-06
14
1
14 1
D SUFFIX
SOIC
CASE 751A-03
LOGIC SYMBOL
8
4 5 10 11
3 6 9 12
D0 D1 D2 D3
O1O0 O2 O3
CP
VCC = PIN 14
GND = PINS 1 AND 7
NC = PINS 2 AND 13
MC74F1803
294
MOTOROLA TIMING SOLUTIONS
BR1333 — REV 4
FUNCTIONAL DESCRIPTION
The MC74F1803 consists of four positive edge-triggered
flip-flops with individual D-type inputs and inverting
outputs. The buffered clock is common to all flip-flops
and the following specifications allow for outputs switching
simultaneously. The four flip-flops store the state of their
individual D inputs that meet the setup and hold time
requirements on the LOW-to-HIGH Clock (CP) transition.
The maximum frequency of the clock input is
70 megahertz and the LOW-to-HIGH and HIGH-to-LOW
propagation delays of the On output vary by at most,
2.0 nanoseconds. Therefore, the device is ideal for use as
a divide-by-two driver for high-frequency clock signals
that require symmetrical duty cycles. In addition, the
output-to-output skew is a maximum of 2.0 nanoseconds.
Finally, the IOH specification at 2.5 volts is guaranteed to
be at least –20 milli-amps. If their inputs are identical,
multiple outputs can be tied together and the IOH is
commensurately increased.
GUARANTEED OPERATION RANGES
Symbol Parameter Min Typ Max Unit
VCC Supply Voltage 4.5 5.0 5.5 V
TAOperating Ambient Temperature Range 0 25 70 °C
IOH Output Current — High — — –20 mA
IOL Output Current — Low — — 24 mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (Unless otherwise specified)
Limits
Symbol Parameter Min Typ Max Unit Test Conditions 1,2
VIH Input HIGH Voltage 2.0 – – V Guaranteed Input HIGH Voltage
VIL Input LOW Voltage – – 0.8 V Guaranteed Input LOW Voltage
VIK Input Clamp Diode Voltage – – –1.2 V VCC = MIN, IIN = –18 mA
VOH Output HIGH Voltage An Outputs 74 2.5 – – V IOH = –20 mA VCC =4.5 V
VOL Output LOW Voltage An Outputs 74 – 0.35 0.5 V IOL = 24 mA VCC = MIN
IIH Input HIGH Current – – 20 µA VCC = MAX, VIN = 2.7 V
– – 100 µA VCC = MAX, VIN = 7.0 V
IIL Input LOW Current – – –0.6 mA VCC = MAX, VIN = 0.5 V
IOS Output Short Circuit Current 3–60 – –150 mA VCC = MAX, VOUT = 0 V
ICC Power Supply Current – – 70 mA VCC = MAX
1For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device
type.
2Normal test conditions for this device are all four outputs switching simultaneously. Two outputs of the MC74F1803 can be tied together and
the IOH doubles.
3Not more than one output should be shorted at a time, nor for more than 1 second.
AC OPERATING REQUIREMENTS (TA = 0°C to +70°C: VCC = +5.0 V ±10%: RL = 500 Ω)
CL = 50 pF
Symbol Parameter Min Max Unit
ts(H)
ts(L) Setup Time, HIGH or LOW: Dn to CP 3.0
3.0 –
–ns
tftp + ts 1– 9.0 ns
th(H)
th(L) Hold Time, HIGH or LOW: Dn to CP 2.0
2.0 –
–ns
tw(H)
tw(L) Cp Pulse Width HIGH or LOW 7.0
6.0 –
–ns
MC74F1803
295
MOTOROLATIMING SOLUTIONS
BR1333 — REV 4
1The combination of the setup time (ts) requirement and maximum propagation delay (tp) are guaranteed to be within this limit for all conditions.
MC74F1803
296
MOTOROLA TIMING SOLUTIONS
BR1333 — REV 4
AC ELECTRICAL CHARACTERISTICS (TA = 0°C to +70°C: VCC = +5.0 V ±10%: RL = 500 Ω) 1
CL = 50 pF
Symbol Parameter Min Max Unit
fmax Maximum Clock Frequency 70 – MHz
tPLH
tPHL Propagation Delay CP to On3.0 7.5 ns
tPv Propagation Delay CP to On Variation – 3.0 ns
tps O0, O1, O2, O3, Propagation Delay Skew |tPLH Actual – tPHL Actual| for O0, O1, O2, O3– 2.0 ns
tos Output to Output Skew 2 |tp On – tp Om| – 2.0 ns
trise, tfall O1, Rise/Fall Time for O1 (0.8 to 2.0 V) – 3.0 ns
trise, tfall O0, O2, O3, Rise/Fall Time for O1, O2, O3, (0.8 to 2.0 V) – 3.5 ns
1The test conditions used are all four outputs switching simultaneously . The AC characteristics described above are also guaranteed when two
outputs are tied together.
2Where tp On and tp Om are the actual propagation delays (any combination of high or low) for two separate outputs from a given high transition
of CP.
3For a given set of conditions (i.e., capacitive load, temperature, VCC, and number of outputs switching simultaneously) the variation from device
to device is guaranteed to be less than or equal to the maximum.
TYPICAL MC74F1803 APPLICATION
VCC
33 MHz Clock
33 MHz Clock
33 MHz Clock
(40 mA Output Drive)
3
6
9
12
7
1
11
10
5
4
14
CLK
8
66 MHz
MC74F1803
D0
D1
D2
D3
CP
O0
O1
O2
O3
74F04
1 2
MC74F1803
297
MOTOROLATIMING SOLUTIONS
BR1333 — REV 4
OUTLINE DIMENSIONS
N SUFFIX
PLASTIC PACKAGE
CASE 646-06
MIN MINMAX MAX
MILLIMETERS INCHES
DIM 18.16
6.10
3.69
0.38
1.02
1.32
0.20
2.92
19.56
6.60
4.69
0.53
1.78
2.41
0.38
3.43
0
°
0.39
0.715
0.240
0.145
0.015
0.040
0.052
0.008
0.115
0.770
0.260
0.185
0.021
0.070
0.095
0.015
0.135
10
°
1.01
2.54 BSC
7.62 BSC
0.100 BSC
0.300 BSC
0
°
0.015 10
°
0.039
A
B
C
D
F
G
H
J
K
L
M
N
NOTES:
1. LEADS WITHIN 0.13 mm (0.005) RADIUS OF TRUE
POSITION AT SEATING PLANE AT MAXIMUM
MATERIAL CONDITION.
2. DIMENSION “L” TO CENTER OF LEADS WHEN
FORMED PARALLEL.
3. DIMENSION “B” DOES NOT INCLUDE MOLD
FLASH.
4. ROUNDED CORNERS OPTIONAL.
5. 646-05 OBSOLETE, NEW STANDARD 646-06.
1 7
14 8
B
A
NOTE 4
F
HGD
SEATING
PLANE
N
K
C
L
J
M
D SUFFIX
SOIC PACKAGE
CASE 751A-02
MIN MINMAX MAX
MILLIMETERS INCHES
DIM
A
B
C
D
F
G
J
K
M
P
R
8.55
3.80
1.35
0.35
0.40
0.19
0.10
0
5.80
0.25
8.75
4.00
1.75
0.49
1.25
0.25
0.25
7
6.20
0.50
0.337
0.150
0.054
0.014
0.016
0.008
0.004
0
0.229
0.010
0.344
0.157
0.068
0.019
0.049
0.009
0.009
7
0.244
0.019
1.27 BSC 0.050 BSC
° ° °°
NOTES:
1. DIMENSIONS “A” AND “B” ARE DATUMS AND
“T” IS A DATUM SURFACE.
2. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
3. CONTROLLING DIMENSION: MILLIMETER.
4. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
5. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
6. 751A-01 IS OBSOLETE, NEW STANDARD
751A-02.
0.25 (0.010) MTSS
A
B
M M
0.25 (0.010) B
-A-
-B- P
GC
K
SEATING
PLANE
14 PL
DMFJ
7 PL
R X 45°
17
814
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,
and specifically disclaims any and all liability , including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different
applications. All operating parameters, including “T ypicals” must be validated for each customer application by customer’s technical experts. Motorola does
not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in
systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of
the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such
unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless
against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer .
◊CODELINE TO BE PLACED HERE MC74F1803/D
*MC74F1803/D*
MC74F1803
298
MOTOROLA TIMING SOLUTIONS
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