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BCD-TO-SEVEN-SEGMENT DECODERS / DRIVERS

SN54 / 74LS247 SN54 / 74LS248 SN54 / 74LS249

BCD-TO-SEVEN-SEGMENT DECODERS / DRIVERS
SN54 / 74LS247 SN54 / 74LS248 SN54 / 74LS249
BCD-TO-SEVEN-SEGMENT DECODERS / DRIVERS
LOW POWER SCHOTTKY
J SUFFIX CERAMIC CASE 620-09
N SUFFIX PLASTIC CASE 648-08
· Open-Collector Outputs Drive Indicators Directly · Lamp-Test Provision · Leading / Trailing Zero Suppression
LS248 · Internal Pull-Ups Eliminate Need for External Resistors · Lamp-Test Provision · Leading / Trailing Zero Suppression LS249 · Open-Collector Outputs · Lamp-Test Provision · Leading / Trailing Zero Suppression
D SUFFIX SOIC CASE 751B-03
ORDERING INFORMATION
SN54LSXXXJ Ceramic SN74LSXXXN Plastic SN74LSXXXDW SOIC
NUMERICAL DESIGNATIONS AND RESULTANT DISPLAYS
SEGMENT IDENTIFICATION
FAST AND LS TTL DATA 5-402
SN54 / 74LS247 · SN54 / 74LS248 · SN54 / 74LS249
SN54 / 74LS248 SN54 / 74LS259 (TOP VIEW)
OUTPUTS
SN54 / 74LS247 (TOP VIEW)
OUTPUTS
VCC 16
C LT RBORBI D
3 LAMP TEST
4 RB OUT PUT
3 LAMP TEST
4 RB OUT PUT
INPUTS
ALL CIRCUIT TYPES FEATURE LAMP INTENSITY MODULATION CAPABILITY
DRIVER OUTPUTS TYPE SN54LS247 SN54LS248 SN54LS249 SN74LS247 SN74LS248 SN74LS249 ACTIVE LEVEL low high high low high high OUTPUT CONFIGURATION open-collector 2.0 k pull-up open-collector open-collector 2.0 k pull-up open-collector SINK CURRENT 12 mA 2.0 mA 4.0 mA 24 mA 6.0 mA 8.0 mA MAX VOLTAGE 15 V 5.5 V 5.5 V 15 V 5.5 V 5.5 V TYPICAL POWER DISSIPATION 35 mW 125 mW 40 mW 35 mW 125 mW 40 mW
LOGIC DIAGRAM LS247
(13) INPUT (7) A INPUT B (2) (1) (12) OUTPUT b
LS248, LS249
OUTPUT a INPUT (7) A INPUT B (1)
OUTPUT a
OUTPUT b
INPUT C
OUTPUT c
INPUT C
OUTPUT c
INPUT (6) D
OUTPUT d
INPUT (6) D
OUTPUT d
BI / RBO BLANKING INPUT OR RIPPLE BLANKING OUTPUT (4)
(9) OUTPUT e
BLANKING INPUT OR RIPPLE BLANKING OUTPUT
(9) OUTPUT e
OUTPUT f LAMP TEST (3)
OUTPUT f
LAMP TEST INPUT RBI RIPPLE BLANKING INPUT
OUTPUT g
INPUT RIPPLE BLANKING INPUT (5)
OUTPUT g
FAST AND LS TTL DATA 5-403
SN54 / 74LS247 · SN54 / 74LS248 · SN54 / 74LS249
LS247 FUNCTION TABLE
LS248, LS249 FUNCTION TABLE
FAST AND LS TTL DATA 5-404
SN54 / 74LS247
GUARANTEED OPERATING RANGES
Symbol VCC TA IOH IOL VO(off) IO(on) Supply Voltage Operating Ambient Temperature Range Output Current - High BI / RBO Output Current - Low BI / RBO Off-State Output Voltage a - g On-State Output Current a - g On-State Output Current a - g Parameter 54 74 54 74 54, 74 54 74 54, 74 54 74 Min 4.5 4.75 - 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 - 50 1.6 3.2 15 12 24 Unit V °C µA mA V mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
IO(off) VO(on)
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
Limits Symbol tPLH tPHL tPHL tPLH Parameter Turn-Off Time from A Input Turn-On Time from A Input Turn-Off Time from RBI Input Turn-On Time from RBI Input Min Typ Max 100 100 100 100 Unit ns ns Test Conditions
FAST AND LS TTL DATA 5-405
SN54 / 74LS248
GUARANTEED OPERATING RANGES
Symbol VCC TA IOH Supply Voltage Operating Ambient Temperature Range Output Current - High BI / RBO Output Current - High a - g IOL Output Current - Low BI / RBO Output Current - Low BI / RBO Output Current - Low a - g Output Current - Low a - g Parameter 54 74 54 74 54, 74 54, 74 54 74 54 74 Min 4.5 4.75 - 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 - 50 - 100 1.6 3.2 2.0 6.0 mA Unit V °C µA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
FAST AND LS TTL DATA 5-406
SN54 / 74LS249
GUARANTEED OPERATING RANGES
Symbol VCC TA IOH IOL VOH IOL Supply Voltage Operating Ambient Temperature Range Output Current - High BI / RBO Output Current - Low BI / RBO Output Current - Low BI / RBO Output Voltage - High a - g Output Current - Low a - g Output Current - Low a - g Parameter 54 74 54 74 54, 74 54 74 54, 74 54 74 Min 4.5 4.75 - 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 - 50 1.6 3.2 5.5 4.0 8.0 Unit V °C µA mA V mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
FAST AND LS TTL DATA 5-407
Case 751B-03 D Suffix 16-Pin Plastic SO-16
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. 3. CONTROLLING DIMENSION: MILLIMETER. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. 751B 01 IS OBSOLETE, NEW STANDARD 751B 03.
SEATING PLANE
MILLIMETERS MIN MAX
INCHES MIN MAX
1.27 BSC 0.19 0.10 0 0.25 0.25 7
0.050 BSC 0.008 0.004 0 0.009 0.009 7
Case 648-08 N Suffix 16-Pin Plastic -A16 9
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. 3. CONTROLLING DIMENSION: INCH. DIMENSION L" TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B" DOES NOT INCLUDE MOLD FLASH. 5. 6. ROUNDED CORNERS OPTIONAL. 648 01 THRU 07 OBSOLETE, NEW STANDARD 648 08.
SEATING PLANE
MILLIMETERS MIN MAX
INCHES MIN MAX
2.54 BSC 1.27 BSC 0.21 2.80 7.50 0 0.38 3.30 7.74 10
0.100 BSC 0.050 BSC 0.008 0.110 0.295 0 0.015 0.130 0.305 10
-A16 9
Case 620-09 J Suffix 16-Pin Ceramic Dual In-Line
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 4. DIM F MAY NARROW TO 0.76 (0.030) WHERE THE LEAD ENTERS THE CERAMIC BODY.
5. 620 01 THRU 08 OBSOLETE, NEW STANDARD 620 09.
-TSEATING PLANE
MILLIMETERS MIN MAX
INCHES MIN MAX
1.27 BSC 1.40 1.77
0.050 BSC 0.055 0.070
2.54 BSC 0.23 0.27 5.08 7.62 BSC 0
0.100 BSC 0.009 0.011 0.200 0.300 BSC 0
FAST AND LS TTL DATA 5-408
Literature Distribution Centers: USA: Motorola Literature Distribution P.O. Box 20912 Phoenix, Arizona 85036. EUROPE: Motorola Ltd. European Literature Centre 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England. JAPAN: Nippon Motorola Ltd. 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. ASIA PACIFIC: Motorola Semiconductors H.K. Ltd. Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.
FAST AND LS TTL DATA 5-409