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M54/74HC40102 M54/74HC40103
8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS
.HI .LOWPOWERDI .HI .OUTPUTDRI .SYMMETRI .BALANCEDPROPAGATI .WI .PI
DESCRIPTION
GH SPEED fMAX = 40 MHz (TYP.) at VCC = 5 V SSIPATION ICC = 4 A (MAX.) at TA = 25 C GH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) VE CAPABILITY 10 LSTTL LOADS CAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.) ON DELAYS tPLH = tPHL DE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V to 6 V N AND FUNCTION COMPATIBLE WITH 40102B/40103B
B1R (Plastic Package)
F1R (Ceramic Package)
M1R (Micro Package)
C1R (Chip Carrier)
ORDER CODES : M54HCXXXXXF1R M74HCXXXXXM1R M74HCXXXXXB1R M74HCXXXXX C1R
The M54/74HC40102/40103 are high speed CMOS 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS fabricated with silicon gate 2 C MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. The HC40102, and HC40103 consist of an 8-stage synchronous down counter with a single output which is active when the internal count is zero. The HC40102 is configured as two cascaded 4-bit BCD counters, and the HC40103 contains a single 8-bit binary counter. Each type has control inputs for enabling or disabling the clock, for clearing the counter to its maximum count, and for presetting the counter either synchronously or asynchronously. All control inputs and the CARRY-OUT/ZERO-DETECT output are active-low logic. In normal operation, the counter is decremented by one count on each positive transition of the CLOCK. Counting is inhibited when the CARRY-IN/COUNTER ENABLE (CI/CE) input is high. The CARRY-OUT/ZERO-DETECT (CO/ZD) output goes low when the count reaches zero if the CI/CE input is low, and remains low for one full clock period. When the SYNCHRONOUS PRESET-ENABLE (SPE) input is low, data at the J input is clocked into the counter on the next positive clock transition regardless of the state of the CI/CE input.
March 1993
PIN CONNECTIONS (top view)
NC = No Internal Connection
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DESCRIPTION (Continued) When the ASYNCHRONOUS PRESET-ENABLE (APE) input is low, data at the J inputs is asynchronously forced into the counter regardless of the state of the SPE, CI/CE, or CLOCK inputs. J Inputs J0-J7 represent two 4-bit BCD words for the HC40102 and a single 8-bit binary word for the HC40103. When the CLEAR (CLR input is low, the counter is asynchronously cleared to its maximum count (9910 for the HC40102 and 25510 for the HC40103 regardless of the state of any other input. The precedence TRUTH TABLE
CONTROL INPUTS CLEAR H H H H L APE H H H L X SPE H H L X X CI/CE H L X X X MODE COUNT INHIBIT REGULAR COUNT SYNCHRONOUS PRESET ASYNCRONOUS PRESET CLEAR FUNCTIONAL DESCRIPTION EVEN IF CLOCK IS GIVEN, NO COUNT IS MADE DOWN COUNT AT RISING EDGE OF CLOCK DATA OF PI TERMINAL IS PRESET AT RISING EDGE OF CLOCK DATA PF PI TERMINAL IS ASYNCHRONOUSLY PRESET TO CLOCK COUNTER IS SET TO MAXIMUM COUNT
relationship between control input is indicated in the truth table. If all control inputs are high at the time of zero count, the counters will jump to the maximum count, giving a counting sequence of 100 pr 256 clock pulses long. The HC40102 and HC40103 may be cascaded using the CI/CE input and the CO/ZD output, in either a synchronous or ripple mode. All inputs are equipped with protection circuits against static discharge and transient excess voltage.
X: DON'T CARE - MAXIMUM COUNT: "99" FOR HC40102 AND "255": FOR HC40103
LOGIC DIAGRAM (HC40102)
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LOGIC DIAGRAM (HC40103)
TIMING CHART
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PIN DESCRIPTION
PIN No 1 2 3 4, 5, 6, 7, 10, 11, 12, 13 9 14 15 8 16 SYMBOL CLOCK CLEAR CI/CE J0 to J9 APE CO/ZD SPE GND VCC NAME AND FUNCTION CLock Input (LOW to HIGH edge triggered) Asynchronous Master Reset Input (Active LOW) Terminal Enable Input Jam Inputs Asynchronous Preset Enable Input (Active LOW) Terminal Count Output (Active LOW) Synchronous Preset Enable Input (Active LOW) Ground (0V) Positive Supply Voltage
INPUT AND OUTPUT EQUIVALENT CIRCUIT
IEC LOGIC SYMBOLS
HC40102 HC40103
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VO IIK IOK IO ICC or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink Current Per Output Pin DC VCC or Ground Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 20 20 25 50 500 (*) -65 to +150 300 Unit V V V mA mA mA mA mW
o o
C C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied. (*) 500 mW: 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
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M54/M74HC40102/40103
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VI VO Top tr, tf Supply Voltage Input Voltage Output Voltage Operating Temperature: M54HC Series M74HC Series Input Rise and Fall Time Parameter Value 2 to 6 0 to VCC 0 to VCC -55 to +125 -40 to +85 0 to 1000 0 to 500 0 to 400 Unit V V V C C ns
o o
VCC = 2 V VCC = 4.5 V VCC = 6 V
DC SPECIFICATIONS
Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 VOL Low Level Output Voltage 2.0 4.5 6.0 4.5 6.0 II ICC Input Leakage Current Quiescent Supply Current 6.0 6.0 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 0.1 4 TA = 25 oC 54HC and 74HC Min. 1.5 3.15 4.2 0.5 1.35 1.8 VI = IO=-20 A VIH or V IL IO=-4.0 mA IO=-5.2 mA VI = IO= 20 A VIH or V IL IO= 4.0 mA IO= 5.2 mA VI = VCC or GND VI = VCC or GND 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.33 0.33 1 40 Typ. Max. Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 1 80 A A V V Max. Min. 1.5 3.15 4.2 0.5 1.35 1.8 V Max. V Unit
VIH
High Level Input Voltage Low Level Input Voltage High Level Output Voltage
V IL
V OH
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AC ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns)
Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4 20 24 TA = 25 oC 54HC and 74HC Min. Typ. Max. 30 8 7 96 24 20 116 29 25 104 26 22 48 12 10 8 32 38 5 60 10 75 15 13 185 37 31 225 45 38 200 40 34 95 19 16 3 16 19 10 Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 95 19 16 230 46 39 280 56 48 250 50 43 120 24 20 2.6 13 15 10 pF pF pF 110 22 19 280 56 47 340 68 57 300 60 51 145 29 24 ns ns ns ns ns Unit
tTLH tTHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL fMAX
Output Transition Time Propagation Delay Time (CK - CO/ZD) Propagation Delay Time (APE - CO/ZD) Propagation Delay Time (CL - CO/ZD) Propagation Delay Time (CI/CE - CO/ZD) Propagation Delay Time Input Capacitance Power Dissipation Capacitance
CIN CPD (*)
(*) CPD is defined as the value of the IC's internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD *VCC *fIN + ICC
TEST CIRCUIT ICC (Opr.)
INPUT TRANSITION TIME IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST.
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M54/M74HC40102/40103
FUNCTIONAL DESCRIPTION The HC40102 and HC40103 are 8-stage presettable synchronous down counters. Carry Out/Zero Detect (CO/ZD) is output at the "L" level for the period of 1 bit when the readout becomes "0". The HC40102 adopts binary coded decimal notation, making setting up to 99 counts possible. While the HC40103 adopts 8-bit binary counter and can set up to 255 counts. COUNT OPERATION At the "H" level of control input of CLEAR, SPE and APE, the counter carriers out down count operation one by one at the rise of pulse given to CLOCK input. Count operation can be inhibited by setting Carry Input/Clock Enable CI/CE to the "H" level. CO/ZD is output at the "L" level when the readout becomes "0" but is not output even if the readout becomes "0" when CI/CE is at the "H" level, thus maintaining the "H" level. Synchronous cascade operation can be carried out by using CI/CE input and CO/ZD output.
The contents of count jump to maximum count (99 for the HC40102 and 225 for the HC40103) if clock is given when the readout is "0". Therefore, operation of 100-frequency division and that of 256-frequency division are carried out for the HC40102 and HC40103, respectively, when clock input alone is given without various kinds of preset operation. PRESET OPERATION AND RESET OPERATION When Clear (CLEAR) input is set to the "L" level, the readout is set to the maximum count independetly of other inputs. When Asynchronous Preset Enable (APE) input is set to the "L" level, readouts given on J0 to J7 can be preset asynchronously to counter independently of inputs other than CLEAR input. When Synchronous Preset Enable (SPE) is set to the "L" level, the readouts given on J0 to J7 can be preset to counter synchronously with the rise of clock. As to these operation modes, refer to the truth table.
Input CLEAR APE SPE J L H H H H H H H X L L H H H H H X X X L L L H H X L H L H X X X T E CLO CK X X X X X X L H X X X _ v __ v _ _ _ w _ v _ X
Output Qn + 1 L L H L H __ Qn Qn __ Qn
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SWITCHING CHARACTERISTICS TEST WAVEFORM
WAVEFORM 1 WAVEFORM 2
WAVEFORM 3
WAVEFORM 4
WAVEFORM 5
WAVEFORM 6
(** F/F output is internal signal of IC)
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M54/M74HC40102/40103
EXAMPLE OF TYPICAL APPLICATION
PROGRAMMABLE DIVIDE-BY-N COUNTER
fIN N+ 1 *Timing chart when N = "3" (J0, J1 = VCC, J2 - J7 = GND)
* fOUT =
* HC40102... 1/2 to 1/100 are dividable * HC40103... 1/2 to 1/256 are dividable
PARALLEL CARRY CASCADING
* At synchronous cascade connection, huzzerd occurs at C0 output after its second stage when digitplace changes, due to delay arrival. Therefore, take gate from HC32 or the like, not from C0 output at the rear stage directly.
PROGRAMMABLE TIMER
Note :The above formula does not take into account the phase of clock input. Therefore, the real pulse width is the distance between the above formula-1/fIN the above formula.
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M54/M74HC40102/40103
Plastic DIP16 (0.25) MECHANICAL DATA
mm MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.27 8.5 2.54 17.78 7.1 5.1 0.130 0.050 0.51 0.77 0.5 0.25 20 0.335 0.100 0.700 0.280 0.201 1.65 TYP. MAX. MIN. 0.020 0.030 0.020 0.010 0.787 0.065 inch TYP. MAX.
DIM.
P001C
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M54/M74HC40102/40103
Ceramic DIP16/1 MECHANICAL DATA
mm MIN. A B D E e3 F G H L M N P Q 7.8 2.29 0.4 1.17 0.22 0.51 0.38 17.78 2.79 0.55 1.52 0.31 1.27 10.3 8.05 5.08 0.307 0.090 0.016 0.046 0.009 0.020 3.3 0.015 0.700 0.110 0.022 0.060 0.012 0.050 0.406 0.317 0.200 TYP. MAX. 20 7 0.130 MIN. inch TYP. MAX. 0.787 0.276
DIM.
P053D
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M54/M74HC40102/40103
SO16 (Narrow) MECHANICAL DATA
DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 9.8 5.8 1.27 8.89 4.0 5.3 1.27 0.62 8 (max.) 0.149 0.181 0.019 10 6.2 0.35 0.19 0.5 45 (typ.) 0.385 0.228 0.050 0.350 0.157 0.208 0.050 0.024 0.393 0.244 0.1 mm TYP. MAX. 1.75 0.2 1.65 0.46 0.25 0.013 0.007 0.019 0.004 MIN. inch TYP. MAX. 0.068 0.007 0.064 0.018 0.010
P013H
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M54/M74HC40102/40103
PLCC20 MECHANICAL DATA
mm MIN. A B D d1 d2 E e e3 F G M M1 1.27 1.14 7.37 1.27 5.08 0.38 0.101 0.050 0.045 9.78 8.89 4.2 2.54 0.56 8.38 0.290 0.050 0.200 0.015 0.004 TYP. MAX. 10.03 9.04 4.57 MIN. 0.385 0.350 0.165 0.100 0.022 0.330 inch TYP. MAX. 0.395 0.356 0.180
DIM.
P027A
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Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
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