M74HC690F1R

更新时间： 2024-11-09 22:57:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		计数器
页数	文件大小	规格书
23页	434K
描述
HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE

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中文翻译

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数据手册

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M74HC690F1R 数据手册

M54/74HC690/691

M54/74HC692/693

HC690/692 DECADE COUNTER/REGISTER (3-STATE)

HC691/693 4 BIT BINARY COUNTER/REGISTER (3-STATE)

HIGH SPEED

f_MAX= 50 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

B1R

(Plastic Package)

F1R

15 LSTTL LOADS (for Q_Ato Q_D)

10 LSTTL LOADS (for RCO)

(Ceramic Package)

SYMMETRICAL OUTPUT IMPEDANCE

I_OH= I_OL= 6 mA (MIN.) (for Q_Ato Q_D)

I_OH= I_OL= 4 mA (MIN.) (for RCO)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

WIDE OPERATING VOLTAGE RANGE

V_CC(OPR) = 2 V to 6 V

PIN AND FUNCTION COMPATIBLE

M1R

(Micro Package)

C1R

(Chip Carrier)

ORDER CODES :

M54HCXXXF1R

M74HCXXXB1R

M74HCXXXM1R

M74HCXXXC1R

WITH LSTTL 54/74LS690/691

PIN CONNECTIONS (top view)

DESCRIPTION

The HC690/691/692/693 are high speed CMOS

COUNTER/REGISTER fabricated in silicon gate

C²MOS technology.

They have the same high speed performance of

LSTTL combined with true CMOS low power con-

sumption.

The internal circuit is composed of 3 stages includ-

ing buffer output, which offers high noise immunity

and stable output. These devices incorporate a syn-

chronous counter, four-bit D-type register, and

quadruple two-line to one-line multiplexers with

three-state outputs in a single 20-pin package. The

counter can be programmed from the data inputs

and have enable P and enable Tinputs and a ripple-

carry output for easy expansion. The regis-

ter/counter select input, R/C, selects the counter

when low or the register when high for the three-

state outputs, QA, QB, QC, and QD.

If the LOAD input (LOAD)is held ”L” DATA input (A-

D) are loaded in to the internal counter at positive

edge of counter clock input (CCK). In the counter

mode, internal counter counts up at the positive of

the counter clock. If the counter clear input (CCLR)

is held ”L”, the internal counter is cleared ( synchron-

ously to the counter clock for HC692/HC693, and

asynchronously for HC690/HC691). The internal

NC =

No Internal

Connection

March 1993

1/23

12 3 4 5 6 7...23

中文翻译

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与M74HC690F1R相关器件

型号	品牌	获取价格	描述	数据表
M74HC690M1R	STMICROELECTRONICS	获取价格	HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE
M74HC690RM13TR	STMICROELECTRONICS	获取价格	HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO20, SO-20
M74HC690TTR	STMICROELECTRONICS	获取价格	HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO20, TSSOP-20
M74HC691	STMICROELECTRONICS	获取价格	HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE
M74HC691B1R	STMICROELECTRONICS	获取价格	HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE
M74HC691C1	STMICROELECTRONICS	获取价格	HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PQCC20, PLASTIC, CC-20
M74HC691C1R	STMICROELECTRONICS	获取价格	HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE
M74HC691F1	STMICROELECTRONICS	获取价格	HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, CDIP20, FRIT SEALED, CE
M74HC691F1R	STMICROELECTRONICS	获取价格	HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE
M74HC691M1R	STMICROELECTRONICS	获取价格	HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE

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