74HC4511 PDF даташит
Спецификация 74HC4511 изготовлена «NXP Semiconductors» и имеет функцию, называемую «BCD to 7-segment latch/decoder/driver». |
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Детали детали
Номер произв | 74HC4511 |
Описание | BCD to 7-segment latch/decoder/driver |
Производители | NXP Semiconductors |
логотип |
12 Pages
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
www.DataSheet.net/
74HC/HCT4511
BCD to 7-segment
latch/decoder/driver
Product specification
File under Integrated Circuits, IC06
December 1990
Datasheet pdf - http://www.DataSheet4U.co.kr/
No Preview Available ! |
Philips Semiconductors
BCD to 7-segment latch/decoder/driver
Product specification
74HC/HCT4511
FEATURES
• Latch storage of BCD inputs
• Blanking input
• Lamp test input
• Driving common cathode LED displays
• Guaranteed 10 mA drive capability per output
• Output capability: non-standard
• ICC category: MSI
GENERAL DESCRIPTION
The 74HC/HCT4511 are high-speed Si-gate CMOS
devices and are pin compatible with “4511” of the “4000B”
series. They are specified in compliance with JEDEC
standard no. 7A.
The 74HC/HCT4511 are BCD to 7-segment
latch/decoder/drivers with four address inputs (D1 to D4),
an active LOW latch enable input (LE), an active LOW
ripple blanking input (BI), an active LOW lamp test input
(LT), and seven active HIGH segment outputs (Qa to Qg).
When LE is LOW, the state of the segment outputs (Qa to
Qg) is determined by the data on D1 to D4.
When LE goes HIGH, the last data present on D1 to D4 are
stored in the latches and the segment outputs remain
stable.
When LT is LOW, all the segment outputs are HIGH
independent of all other input conditions. With LT HIGH, a
LOW on BI forces all segment outputs LOW. The inputs LT
and BI do not affect the latch circuit.
APPLICATIONS
• Driving LED displays
• Driving incandescent displays
• Driving fluorescent displays
• Driving LCD displays
• Driving gas discharge displays
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
SYMBOL
tPHL/ tPLH
CI
CPD
PARAMETER
propagation delay
Dn to Qn
LE to Qn
BI to Qn
LT to Qn
input capacitance
power dissipation capacitance per latch
www.DataSheet.net/
CONDITIONS
TYPICAL
HC HCT
CL = 15 pF; VCC = 5 V
24
24
23 24
19 20
12 13
3.5 3.5
notes 1 and 2
64 64
Notes
1. CPD is used to determine the dynamic power dissipation (PD in µW):
PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
2. For HC the condition is VI = GND to VCC
For HCT the condition is VI = GND to VCC − 1.5 V
UNIT
ns
ns
ns
ns
pF
pF
December 1990
2
Datasheet pdf - http://www.DataSheet4U.co.kr/
No Preview Available ! |
Philips Semiconductors
BCD to 7-segment latch/decoder/driver
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information”.
PIN DESCRIPTION
PIN NO.
3
4
5
7, 1, 2, 6
8
13, 12, 11, 10, 9, 15, 14
16
SYMBOL
LT
BI
LE
D1 to D4
GND
Qa to Qg
VCC
NAME AND FUNCTION
lamp test input (active LOW)
ripple blanking input (active LOW)
latch enable input (active LOW)
BCD address inputs
ground (0 V)
segments outputs
positive supply voltage
Product specification
74HC/HCT4511
www.DataSheet.net/
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
Datasheet pdf - http://www.DataSheet4U.co.kr/
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