TIL311_1 Datasheet, PDF (3/5 Pages) Texas Instruments – HEXADECIMAL DISPLAY WITH LOGIC

functional block diagram
TIL311
HEXADECIMAL DISPLAY WITH LOGIC
SODS001D – MARCH 1972 – REVISED DECEMBER 1997
LED
Supply
Logic
Supply
A
B
Latch
Data
Inputs C
4-Bit
Latch
D
Latch Strobe
Input
Decoder
Constant
Current
Driver
Blanking
Input
Left Decimal
Point Cathode
Right Decimal
Point Cathode
absolute maximum ratings over operating case temperature range (unless otherwise noted)
Supply voltage, V_CC, logic (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Supply voltage, LED (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage (pins 2, 3, 5, 8, 12, 13) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Decimal point current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Operating case temperature range (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 85°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 25°C to 85°C
NOTES: 1. Voltage values are with respect to common ground terminal.
2. Case temperature is the surface temperature of the plastic measured directly over the integrated circuit. Forced-air cooling may be
required to maintain this temperature.
recommended operating conditions
Supply voltage, VCC, logic
Supply voltage, VLED, LED
Decimal point current, IF(DP)
Pulse duration, tw, latch strobe
Setup time, tsu
Hold time, th
MIN NOM MAX UNIT
4.5
5 5.5 V
4
5 5.5 V
5
mA
40
ns
50
ns
40
ns
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