M74HC193 STMICROELECTRONICS [STMicroelectronics], M74HC193 Datasheet

M74HC193

Manufacturer Part Number

M74HC193

Description

SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.M74HC193.pdf (15 pages)

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DESCRIPTION

The M54/74HC192/193 are ahigh speed CMOSSYN-

CHRONOUS UP/DOWN DECADE COUNTERS fab-

ricated in silicon gate C

the same high speed performance of LSTTL combined

with true CMOS low power consumption. The counter

has two separate clock inputs, an UP COUNT input

and a DOWN COUNT input. All outputs of the flip-flop

are simultaneously triggered on the low to high transi-

tion of either clock while the other input isheld high. The

direction of counting is determined by which input is

clocked. This counter may be preset by entering the

desired data on the DATA A, DATA B, DATA C, and

DATA D input. When the LOAD input is taken low the

data is loaded independently of either clock input. This

feature allows the counters to be used as divide-by-n

counters by modifying the count length with the preset

inputs. In addition the counter can also be cleared. This

is accomplished by inputting a high on the CLEAR

input. All 4 internal stages are set to low independently

of either COUNT input. Both a BORROW and CARRY

output are provided to enable cascading of both up and

down counting functions. The BORROW output pro-

duces a negative going pulse when the counter under-

flows and the CARRY outputs a pulse when the

counter overflows. The counter can be cascaded by

connecting the CARRY and BORROW outputs of one

device to the COUNT UP and COUNT DOWN inputs,

respectively, of the next device. All inputs are equipped

with protection circuits against static discharge and

transient excess voltage.

October 1992

HIGH SPEED

LOW POWER DISSIPATION

HIGH NOISE IMMUNITY

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

BALANCED PROPAGATION DELAYS

WIDE OPERATING VOLTAGE RANGE

PIN AND FUNCTION COMPATIBLE WITH

54/74LS192-193

MAX

PLH

NIH

= 4 A (MAX.) AT T

| = I

= t

(OPR) = 2 V TO 6 V

= 54 MHz (TYP.) AT V

= V

HC192 - SYNCHRONOUS UP/DOWN DECADE COUNTER

HC193 - SYNCHRONOUS UP/DOWN BINARY COUNTER

PHL

NIL

= 4 mA (MIN.)

= 28 % V

MOS technology. They have

(MIN.)

= 25 C

= 5 V

NC =

No Internal

Connecti o n

(Plastic Package)

(Micro Package)

M54HCXXXF1R

M74HCXXXB1R

PIN CONNECTIONS (top view)

M1R

B1R

M54/M74HC193

M54/M74HC192

ORDER CODES :

M74HCXXXM1R

M74HCXXXC1R

(Ceramic Package)

(Chip Carrier)

C1R

F1R

1/15

Related parts for M74HC193

M74HC193 Summary of contents

Page 1

... CARRY and BORROW outputs of one device to the COUNT UP and COUNT DOWN inputs, respectively, of the next device. All inputs are equipped with protection circuits against static discharge and transient excess voltage. October 1992 M54/M74HC192 M54/M74HC193 B1R (Plastic Package) (Ceramic Package) M1R (Micro Package) (Chip Carrier) ...

Page 2

M54/M74HC192/193 INPUT AND OUTPUT EQUIVALENT CIRCUIT IEC LOGIC SYMBOL (HC191) TRUTH TABLE COUNT UP COUNT DOWN Don’t Care 2/15 PIN DESCRIPTION PIN No SYMBOL ...

Page 3

LOGIC DIAGAM (HC192) M54/M74HC192/193 3/15 ...

Page 4

M54/M74HC192/193 LOGIC DIAGAM (HC193) 4/15 ...

Page 5

TIMING DIAGRAM (HC192) TIMING DIAGRAM (HC193) M54/M74HC192/193 5/15 ...

Page 6

M54/M74HC192/193 ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Source Sink Current Per Output ...

Page 7

DC SPECIFICATIONS Test Conditions Symbol Parameter V CC (V) V High Level Input 2.0 IH Voltage 4.5 6.0 V Low Level Input 2.0 IL Voltage 4.5 6.0 V High Level 2 Output Voltage 4.5 V 6.0 V 4.5 ...

Page 8

M54/M74HC192/193 AC ELECTRICAL CHARACTERISTICS (C Test Conditions Symbol Parameter V CC (V) t Output Transition 2.0 TLH t Time 4.5 THL 6.0 t Propagation 2.0 PLH t Delay Time PHL 4.5 (UP, DOWN - Q) 6.0 t Propagation 2.0 PLH ...

Page 9

AC ELECTRICAL CHARACTERISTICS (C Test Conditions Symbol Parameter V CC (V) t Minimum Pulse 2.0 W(H) t Width (COUNT 4.5 W(L) UP/DOWN) 6.0 t Minimum Pulse 2.0 W(L) Width 4.5 (LOAD) 6.0 t Minimum Pulse 2.0 W(H) Width 4.5 (CLEAR) ...

Page 10

M54/M74HC192/193 SWITCHING CHARACTERISTICS TEST WAVEFORM TEST CIRCUIT I (Opr.) CC TRANSITION TIME OF INPUT WAVEFORMS IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. 10/15 ...

Page 11

Plastic DIP16 (0.25) MECHANICAL DATA mm DIM. MIN. TYP. a1 0.51 B 0.77 b 0 8.5 e 2.54 e3 17. 3.3 Z M54/M74HC192/193 inch MAX. MIN. TYP. 0.020 1.65 0.030 0.020 0.010 20 ...

Page 12

M54/M74HC192/193 Ceramic DIP16/1 MECHANICAL DATA DIM. MIN 0. 2.29 G 0.4 H 1.17 L 0. 7.8 Q 12/15 mm TYP. MAX. MIN 3.3 0.015 17.78 2.79 0.090 0.55 ...

Page 13

SO16 (Narrow) MECHANICAL DATA mm DIM. MIN. TYP 0 0.35 b1 0. 9.8 E 5.8 e 1.27 e3 8.89 F 3.8 G 4 M54/M74HC192/193 inch MAX. MIN. TYP. ...

Page 14

M54/M74HC192/193 PLCC20 MECHANICAL DATA DIM. MIN. A 9.78 B 8. 14/15 mm TYP. MAX. MIN. 10.03 0.385 9.04 0.350 4.57 0.165 2.54 0.56 8.38 0.290 1.27 5.08 0.38 ...

Page 15

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 ...

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