Part number:
74LS90
Manufacturer:
Fairchild Semiconductor
File Size:
61.43 KB
Description:
Decade and binary counters.
* s Typical power dissipation 45 mW s Count frequency 42 MHz Ordering Code: Order Number DM74LS90M DM74LS90N Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
74LS90
Fairchild Semiconductor
61.43 KB
Decade and binary counters.
📁 Related Datasheet
74LS90 - Decade and Binary Counters
(National Semiconductor)
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June 1989
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Each of these monolithic cou.
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54/7490A 54LS/74LS90
DECADE COUNTER
90
CONNECTION DIAGRAM PINOUT A
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.
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SDLS126 – MARCH 1974 – REVISED MARCH 1988
PRODUCTION DATA information is current as of pub.
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(Hitachi Semiconductor)
Unit: mm
19.20 20.32 Max 14 8 6.30 7.40 Max 1
2.39 Max
1.30
7 7.62
0.51 Min
2.54 Min 5.06 Max
2.54 ± 0.25
0.48 ± 0.10
0.25 – 0.05 0° – 15°
+ 0.
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DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
The SN54 / 74LS90, SN54 / 74LS92 and SN54 / 74LS93 are high-speed 4-bit ripple type cou.
