M54HC X XXF1RM74H CXXXM1R
M74HC X XXB1RM74HCX X XC1R
F1R
(CeramicPackage)
C1R
(Chip Carrier)
DESCRIPTION
TheM54/74HC190/191 are highspeedCMOS4-BIT
SYNCHRONOUS UP/DOWN COUNTERS fabricatedinsilicon gateC2MOStechnology.
They have the same high speed performance of
LSTTL combined with true CMOS low power consumption.
State changes of the counter are synchronous with
theLOW-to-HIGHtransition ofthe Clock Pulse input.
Anasynchronous parallel load input overrides counting and loadsthe data present ontheDATA inputs into
the flip-flops, which makes it possible to use the circuitsasprogrammable counters. Acountenable input
serves as the carry/borrow input in multi-stage
counters.Control input, Down/Up, determines
whether acircuitcounts up ordown.A MAX/MINoutputandaRippleClockoutputprovideoverflow/underflow indication and make possible a variety of
methods forgenerating carry/borrow signalsin multistagecounter applications.
Allinputs areequipped withprotectioncircuitsagainst
staticdischarge and transient excess voltage.
NC =
No Internal
Connection
PIN CONNECTIONS(top view)
October 1992
1/14
Page 2
M54/M74HC190/191
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTIO N
PIN NoSYMBOLNAME AND FUNCTION
3, 2, 6, 7QA to QDFlip-Flop Outputs
4ENABLECount Enable Input
(Active LOW)
5U/DParallel Data Input
11LOADLoad Input (Active LOW)
12MA/MI OUT Terminal Count Output
13RCRipple Clock Output
Supply Voltage-0.5 to +7V
DC Input Voltage-0.5 to VCC+ 0.5V
I
DC Output Voltage-0.5 to VCC+ 0.5V
DC Input Diode Current± 20mA
DC Output Diode Current± 20mA
DC Output Source Sink CurrentPer OutputPin± 25mA
DC VCCor Ground Current± 50mA
GND
Power Dissipation500 (*)mW
Storage Temperature-65 to +150
Lead Temperature (10 sec)300
L
Supply Voltage2 to 6V
Input Voltage0 to V
Output Voltage0 to V
Operating Temperature: M54HC Series
M74HC Series
CC
CC
-55 to +125
-40 to +85
Input Rise and Fall TimeVCC= 2 V0 to 1000ns
V
= 4.5 V0 to 500
CC
V
= 6 V0 to 400
CC
o
C
o
C
V
V
o
C
o
C
6/14
Page 7
DC SPECIFICA TIONS
SymbolParameter
V
V
V
V
I
High Level Input
IH
Voltage
Low Level Input
IL
Voltage
High Level
OH
Output Voltage
Low Level Output
OL
Voltage
I
Input Leakage
I
Current
Quiescent Supply
CC
Current
M54/M74HC190/191
Test ConditionsValue
T
=25oC
V
(V)
CC
A
54HC and 74HC
Min.Typ.Max.Min.Max.Min.Max.
2.01.51.51.5
4.53.153.153.15
6.04.24.24.2
2.00.50.50.5
4.51.351.351.35
6.01.81.81.8
2.0
4.54.44.54.44.4
6.05.96.05.95.9
4.5I
6.0I
2.0
4.50.00.10.10.1
6.00.00.10.10.1
4.5I
6.0I
6.0
=
V
I
IO=-20 µA
V
IH
or
V
IL
=-4.0 mA 4.184.314.134.10
O
=-5.2 mA 5.685.85.635.60
O
V
=
I
IO=20µA
V
IH
or
V
IL
= 4.0 mA0.170.260.330.40
O
= 5.2 mA0.180.260.330.40
O
VI=VCCor GND±0.1±1±1µA
1.92.01.91.9
0.00.10.10.1
6.0 VI=VCCor GND44080µA
-40 to 85oC
74HC
-55 to 125oC
54HC
Unit
V
V
V
V
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Inputtr=tf=6ns)
Test ConditionsValue
SymbolParameter
t
TLH
t
THL
t
PLH
t
PHL
Output Transition
Time
Propagation
Delay Time
(CLOCK - Q)
t
t
PLH
PHL
Propagation
Delay Time
(CLOCK - RCO)
t
t
PLH
PHL
Propagation Delay
Time (CLOCK MAX/MIN)
t
t
PLH
PHL
Propagation
Delay Time
(LOAD - Q)
=25oC
T
V
(V)
CC
A
54HC and 74HC
Min.Typ.Max.Min.Max.Min.Max.
2.0307595110
4.58151922
6.07131619
2.092180225270
4.523364554
6.020313846
2.039120150180ns
4.513243036
6.011202631
2.0120240300360ns
4.530486072
6.026415161
2.0108205255310ns
4.527415162
6.023354353
-40 to 85oC
74HC
-55 to 125oC
54HC
Unit
ns
ns
7/14
Page 8
M54/M74HC190/191
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Inputtr=tf=6ns)
Test ConditionsValue
T
=25oC
SymbolParameter
t
t
PLH
PHL
Propagation
Delay Time
(DATA - Q)
t
t
PLH
PHL
Propagation
Delay Time
(ENABLE - RCO)
t
t
PLH
PHL
Propagation
Delay Time
(D/U - RCO)
t
t
PLH
PHL
Propagation
Delay Time
(D/U - MAX/MIN)
f
MAX
Maximum Clock
Frequency
V
CC
(V)
2.084175220265
4.521354453
6.018303745
2.039105130160
4.513212632
6.011182227
2.063180225270
4.521364554
6.018313846
2.064160200240
4.518324048
6.015273441
2.05943.4
4.525372017
A
54HC and 74HC
Min.Typ.Max.Min.Max.Min.Max.
6.030442420
t
W(H)
t
W(L)
t
W(L)
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(LOAD)
Minimum Set-up
t
s
Time
(SI, PI - CK)
Minimum Set-up
t
s
Time
(S0, S1 - CK)
Minimum Hold
t
h
Time
2.040100125150
4.510202530
6.09172126
2.0367595110
4.59151922
6.08131619
2.080175220265
4.520354453
6.017303745
2.016506075
4.54101215
6.0391113
2.0000
4.5000
6.0000
t
REM
Minimum
Removal Time
2.01250605
4.53101215
6.0391113
C
C
PD
(*) CPDisdefined as the value ofthe IC’sinternal equivalent capacitance which iscalculated from the operatingcurrent consumption without load.
(Referto Test Circuit). Average operting current canbe obtained by thefollowingequation. ICC(opr) = CPD•VCC•fIN+I
Input Capacitance5101010pF
IN
(*)Power Dissipation
Capacitance
for HC190
for HC191
111
112
-40 to 85oC
74HC
-55 to 125oC
54HC
CC
Unit
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
pF
8/14
Page 9
SWITCHING CHARACTERISTICS TEST WAVEFORM
M54/M74HC190/191
TEST CIRCUIT ICC(Opr.)
INPUT TRANSITIONTIME ISTHESAME AS THATIN CASE OF SWITCHINGCHARACTERISTICSTEST.
Information furnishedis believed to be accurate and reliable.However, SGS-THOMSON Microelectronics assumes no responsabilityfor the
consequences of useof such information norfor any infringementof patents or other rights of third parties which may results from its use. No
license is granted byimplication or otherwiseunderany patentor patent rights ofSGS-THOMSON Microelectronics.Specificationsmentioned
in thispublication are subjectto change without notice.This publication supersedes and replaces all information previouslysupplied.
SGS-THOMSON Microelectronicsproducts are not authorized foruse ascritical componentsinlife supportdevices or systemswithoutexpress
written approval ofSGS-THOMSON Microelectonics.
1994SGS-THOMSON Microelectronics- All Rights Reserved
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