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Internal TTL MSI Chip With Latch, Decoder,
and Driver
Constant-Current Drive for Light-Emitting
Diodes
mechanical data
These assemblies consist of display chips and a TTL MSI chip mounted on a header with a red molded plastic
body. Multiple displays may be mounted on 11,43-mm (0.450-inch) centers.
PIN ASSIGNMENTS
Pin 1
Pn 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
QB
QC
QD
QA
LS
C
D
GND
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Pin 16
NC
B
BI
DP
LT
QDP
A
VCC
3,56 (0.140)
2,79 (0.110)
Seating Plane
(see Note A)
4,32 (0.170) MIN
0,56 (0.022)
0,46 (0.018)
DIA All Pins
1,52 (0.060)
1,02 (0.040)
C of Pin 1
L
3,81 (0.150)
4,42 (0.174)
Decimal Point
TIL309
7,87 (0.310)
7,62 (0.300)
C of Pin 1
L
1
2,54 (0.100)
6,45 (0.254)
4,45 (0.175)
3,94 (0.155)
4 Places
10擄
0,66 (0.026)
3,80 (0.150)
0,66 (0.026)
3,81 (0.150)
2,54 (0.100) T.P.
14 Places
(see Note C)
26,67 (1.050)
25,65 (1.010)
Logic Chip
Decimal Point
TIL308
TIL308
A
F
TOP VIEW
D.P.
E
D
G
B
C
F
E
D
TIL309
A
G
B
C
D.P.
10,67 (0.420)
9,65 (0.380)
ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND PARENTHETICALLY IN INCHES
NOTES: A. Lead dimensions are not controlled above the seating plane.
B. Centerlines of character segments and decimal points are shown as dashed lines. Associated dimensions are nominal.
C. The true-position pin spacing is 2,54 mm (0.100 inch) between centerlines. Each centerline is located with 0,26 mm (0.010 inch) of
its true longitudinal position relative to pins 1 and 16.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1992, Texas Instruments Incorporated
POST OFFICE BOX 655303
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DALLAS, TEXAS 75265
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