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M74HC4011B1R 반도체 회로 부품 판매점

BCD TO 7 SEGMENT LATCH/DECODER DRIVER



ST Microelectronics 로고
ST Microelectronics
M74HC4011B1R 데이터시트, 핀배열, 회로
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
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.
February 1993
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
1/13


M74HC4011B1R 데이터시트, 핀배열, 회로
M54/M74HC4511
TRUTH TABLE
INPUTS
OUTPUTD
DISPLAY
LE BI LT D C B A a b c d e f g
MODE
XX L XXXXHHHHHHH
8
XL HXXXXL L L L L L L
BLANK
L HHL L L L HHHHHH L
0
L HHL L LHLHHL L L L
1
L HHL L HLHHLHHLH
2
L HHL L HHHHHH L L H
3
L HHL HL L LHHL LHH
4
L HHL HL HHL HH L HH
5
L HHL HHL L L HHHHH
6
L HHL HHHHHL L L L L
7
L HHHL L L HHHHHHH
8
L HHHL LHHHHL LHH
9
L HHHL HXL L L L L L L
BLANK
L HHHHXXL L L L L L L
BLANK
HHHXXXX
Hold the stage at the leading edge of LE
X: Don’t Care
LOGIC DIAGRAM
2/13




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M74HC4011B1R driver

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M74HC4011B1R

BCD TO 7 SEGMENT LATCH/DECODER DRIVER - ST Microelectronics