54HC4011 데이터 시트보기 (PDF) - STMicroelectronics

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54HC4011

BCD TO 7 SEGMENT LATCH/DECODER DRIVER

STMicroelectronics 

M54HC4511

M74HC4511

BCD TO 7 SEGMENT LATCH/DECODER DRIVER

. HIGH SPEED

tPD = 28 ns (TYP.) AT VCC = 5 V

. LOW POWER DISSIPATION

ICC = 4 µA (MAX.) AT TA = 25 °C

. HIGH NOISE IMMUNITY

VNIH = VNIL = 28 % VCC (MIN.)

. OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

. HIGH SOURGE CURRENT

|IOH| = 20 mA (MIN.)

. BALANCED PROPAGATION DELAYS

tPLH = tPHL

. WIDE OPERATING VOLTAGE RANGE

VCC (OPR) = 2 V TO 6 V

. PIN AND FUNCTION COMPATIBLE

WITH 4511B

B1R

(Plastic Package)

F1R

(Ceramic Package)

M 1R

(Micro Package)

C1R

(Chip Carrier)

ORDER CODES :

M54HC4011F1R M74HC4011M1R

M74HC4011B1R M74HC4011C1R

PIN CONNECTIONS (top view)

DESCRIPTION

The M54/74HC4511 is a high speed CMOS BCD-

TO-7 SEGMENT LATCH/DECODER/DRIVER fab-

ricated with silicon gate C2MOS technology. It

enables high speed latch and decode operation with

identical pin connection and function to standard

CMOS 4511B.

The segment output driver, which is CMOS fabri-

cated in silicon gate C2MOS technology, has large

IOH capability which enables common cathode Leds

to be directly driven.

When lamp test (LT) is taken ”L”, all segment out-

puts will go to ”H”, and when blanking (BI) is taken

”L” and LT is taken ”H” all segment outputs will go

to ”L”.

These functions operate regardless of other inputs

and are used to test the display.

Input BI is used to pulse-modulate the brightness of

the display.

When an error input code (over 10) is applied to the

BCD input, all segment outputs will go ”L” (turn off).

All inputs are equipped with protection circuits

against static discharge and transient excess volt-

age.

NC =

No Internal

Connection

February 1993

1/13

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