Datasheet > M54HC192M1R

M54HC192M1R

更新时间： 2024-09-30 22:54:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
15页	313K
描述
SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER

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中文翻译

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数据手册

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M54HC192M1R 数据手册

M54/M74HC192

M54/M74HC193

HC192 - SYNCHRONOUS UP/DOWN DECADE COUNTER

HC193 - SYNCHRONOUS UP/DOWN BINARY COUNTER

HIGH SPEED

f_MAX= 54 MHz (TYP.) AT V_CC= 5 V

LOW POWER DISSIPATION

I_CC= 4 µA (MAX.) AT T_A= 25 °C

HIGH NOISE IMMUNITY

V_NIH= V_NIL= 28 % V_CC(MIN.)

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

|I_OH| = I_OL= 4 mA (MIN.)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

WIDE OPERATING VOLTAGE RANGE

B1R

(Plastic Package)

F1R

(Ceramic Package)

M1R

(Micro Package)

C1R

(Chip Carrier)

V_CC(OPR) = 2 V TO 6 V

PIN AND FUNCTION COMPATIBLE WITH

54/74LS192-193

ORDER CODES :

M54HCXXXF1R

M74HCXXXB1R

M74HCXXXM1R

M74HCXXXC1R

DESCRIPTION

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

CHRONOUS UP/DOWN DECADE COUNTERS fab-

ricated in silicon gate C²MOS technology. They have

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 areprovided toenable cascadingof bothupand

down counting functions. The BORROW output pro-

ducesa negative going pulse when thecounter 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.

PIN CONNECTIONS (top view)

NC =

No Internal

Connection

October 1992

1/15

12 3 4 5 6 7...15

中文翻译

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与M54HC192M1R相关器件

型号	品牌	获取价格	描述	数据表
M54HC193	STMICROELECTRONICS	获取价格	RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER
M54HC193B1R	STMICROELECTRONICS	获取价格	SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER
M54HC193C1R	STMICROELECTRONICS	获取价格	SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER
M54HC193D	STMICROELECTRONICS	获取价格	RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER
M54HC193D1	STMICROELECTRONICS	获取价格	RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER
M54HC193DG	STMICROELECTRONICS	获取价格	抗辐照同步递增/递减二进制计数器
M54HC193DT	STMICROELECTRONICS	获取价格	暂无描述
M54HC193F1	STMICROELECTRONICS	获取价格	HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16, FRIT
M54HC193F1R	STMICROELECTRONICS	获取价格	SYNCHRONOUS UP/DOWN DECADE(,BINARY) COUNTER
M54HC193K	STMICROELECTRONICS	获取价格	RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER

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