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PDF HD74HC4511 Data sheet ( Hoja de datos )
| Número de pieza | HD74HC4511 | |
| Descripción | BCD-to-Seven Segment Latch/Decoder/Driver | |
| Fabricantes | Hitachi Semiconductor | |
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HD74HC4511
BCD-to-Seven Segment Latch/Decoder/Driver
Description
The HD74HC4511 provides the functions of a 4-bit storage latch, a BCD-to-seven-segment decoder, and
an output driver. Lamp test (LT), blanking (BI), and latch enable (LE) inputs are used to test the display, to
turn off or pulse-modulate the brightness of the display, and to store a BCD code, respectively.
Features
• High Speed Operation: tpd (A, B, C, D to a – g) = 31 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
1 page  
HD74HC4511
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25°C
Ta = –40 to
+85°C
Item
Symbol
Propagation delay tPLH
time
t PHL
VCC (V)
2.0
4.5
6.0
Min Typ Max Min
— — 400 —
— 31 80 —
— — 68 —
Max Unit
500 ns
100
86
tPLH 2.0 — — 250 — 315
tPHL 4.5 — 25 50 — 63
6.0 — — 43 — 54
tPLH 2.0 — — 150 — 190
tPHL 4.5 — 17 30 — 38
6.0 — — 26 — 33
tPLH 2.0 — — 400 — 500
tPHL 4.5 — 35 80 — 100
6.0 — — 68 — 86
Pulse width tw 2.0 80 — — 100 — ns
4.5 16 6 — 20 —
6.0 14 — — 17 —
Setup time
tsu 2.0 100 — — 125 — ns
4.5 20 4 — 25 —
6.0 17 — — 21 —
Hold time
th 2.0 5 — — 5 — ns
4.5 5 0 — 5 —
6.0 5 — — 5 —
Output rise time tTLH
2.0 — — 60 — 75 ns
4.5 — 4 12 — 15
6.0 — — 10 — 13
Output fall time tTHL
2.0 — — 75 — 95 ns
4.5 — 5 15 — 19
6.0 — — 13 — 16
Input capacitance Cin — — 5 10 — 10 pF
Test Conditions
A, B, C or D to a – g
BI to a – g
LT to a – g
LE to a – g
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HD74HC4511.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| HD74HC4511 | BCD-to-Seven Segment Latch/Decoder/Driver | Hitachi Semiconductor |
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