TIL308 Datasheet, PDF (4/7 Pages) Texas Instruments – NUMERIC DISPLAYS WITH LOGIC

TIL308, TIL309
NUMERIC DISPLAYS WITH LOGIC
SLBS002–D1096, MARCH 1972–REVISED SEPTEMBER 1992
FUNCTION TABLE
FUNCTION
0
LATCH INPUTS
BLANKING LED
LATCH OUTPUTS
D C B A DP STROBE ^{INPUT TEST} QD QC QB QA QDP
LLLL L
L
H
H LLLL L
1
LLLH H
L
H
H LLLH H
2
LLHL L
L
H
H LLHL L
3
L LHH H
L
H
H L LHH H
4
LHLL L
L
H
H LHLL L
5
LHLH H
L
H
H LHLH H
6
LHHL L
L
H
H LHHL L
7
LHHH H
L
H
H LHHH H
8
HLLL L
L
H
H HLLL L
9
HLLH H
L
H
H HLLH H
A
HLHL L
L
H
H HLHL L
Minus Sign H L H H H
L
H
H HLHH H
C
HHL L L
L
H
H HHL L L
Blank
HHLH H
L
H
H HHLH H
E
HHHL L
L
H
H HHHL L
F
HHHH H
L
H
H HHHH H
Blank
XXXX X
X
L
H XXXX X
LED TEST (LT) X X X X X
X
X
L XXXX X
H = high level, L = low level, X = irrelevant.
DP input has arbitrarily been shown activated (high) on every other line of the table.
DISPLAY
TIL308
TIL309
absolute maximum ratings over operating case temperature range (unless otherwise noted)
Supply voltage, V_CC (see Note 1): Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Nonrepetitive peak, t_w ≤ 100 ms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Operating case temperature range, T_C (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 85°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 25°C to 85°C
NOTES: 1. Voltage values are with respect to network 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
Normalilzed fanout from each output, N
(to Series 54/74 integrated circuits)
Latch strobe pulse duration, tw
Setup time, tsu
Hold time, th
Operating case temperature, TC
Low logic level
High logic level
QDP
QA, QB, QC, QD
QDP
QA, QB, QC, QD
Latch data input (DP) before latch strobe (LS)↑
Latch data input (DP) after latch strobe (LS)↑
MIN NOM MAX UNIT
4.75
5 5.25 V
1
3
3
6
45
ns
60
ns
0
ns
0
70 °C
4
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