HD74LS47 Datasheet, PDF (1/7 Pages) Hitachi Semiconductor – BCD-to-Seven Segment Decoder Driver(with 15V outputs)

HD74LS47
BCD-to-Seven-Segment Decoder / Driver (with 15 V Outputs)
REJ03D0410-0301
Rev.3.01
May 10, 2006
HD74LS47 features active-low outputs designed for driving incandescent indicators directly. This device has full
ripple-blanking input / output controls and a lamp test. Display patterns for BCD input counts above 9 are unique
symbols to authenticate input conditions. This circuit incorporates automatic leading and / or trailing-edge zero-
blanking control (RBI and RBO). Lamp test (LT) of these types may be performed at any time when the BI / RBO
node is at a high level. It contains an overriding blanking input (BI) which can be used to control the lamp intensity of
pulsing or to inhibit the outputs. Inputs and outputs are entirely compatible for use with TTL or DTL logic outputs.
Features
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74LS47P
DILP-16 pin
PRDP0016AE-B
P
(DP-16FV)
HD74LS47FPEL SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
Pin Arrangement
B1
Inputs
C2
LT 3
BI/RBO 4
RBI 5
D6
Inputs
A7
GND 8
B
f
C
g
LT
a
BI/RBO b
RBI
c
D
d
A
e
16 V_CC
15 _f
14 _g
13 _a
12 _{b Outputs}
11 _c
10 _d
9e
(Top view)
Rev.3.01, May 10, 2006, page 1 of 6