MC14558B Datasheet, PDF (5/7 Pages) Motorola, Inc – BCD-TO-SEVEN SEGMENT DECODER

TYPICAL APPLICATIONS
N4
N3
N2
N1
N–1
N–2
N–3
VSS
LAMP TEST
RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO
En
En
En
En
En
En
En
VSS
Figure 2. Leading and Trailing Zero
Suppression with Lamp Test
N4
N3
N2
N1
N–1
N–2
N–3
VDD
RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO
En
En
En
En
En
En
En
BLANKING
Figure 3. Leading and Trailing Zero Suppression
with PWM Intensity Blanking and No Lamp Test
N4
N3
N2
N1
N–1
N–2
N–3
RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO RBI RBO
En
En
En
En
En
En
En
BLANKING
LAMP TEST
Figure 4. Zero Suppression with Lamp Test
and Intensity Blanking
MOTOROLA CMOS LOGIC DATA
MC14558B
5