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DM74LS174 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. DM74LS174
Description  Hex/Quad D-Type Flip-Flops with Clear
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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© 2000 Fairchild Semiconductor Corporation
DS006404
www.fairchildsemi.com
August 1992
Revised April 2000
DM74LS174 • DM74LS175
Hex/Quad D-Type Flip-Flops with Clear
General Description
These positive-edge-triggered flip-flops utilize TTL circuitry
to implement D-type flip-flop logic. All have a direct clear
input, and the quad (175) versions feature complementary
outputs from each flip-flop.
Information at the D inputs meeting the setup time require-
ments is transferred to the Q outputs on the positive-going
edge of the clock pulse. Clock triggering occurs at a partic-
ular voltage level and is not directly related to the transition
time of the positive-going pulse. When the clock input is at
either the HIGH or LOW level, the D input signal has no
effect at the output.
Features
s DM74LS174 contains six flip-flops with single-rail
outputs
s DM74LS175 contains four flip-flops with double-rail
outputs
s Buffered clock and direct clear inputs
s Individual data input to each flip-flop
s Applications include:
Buffer/storage registers
Shift registers
Pattern generators
s Typical clock frequency 40 MHz
s Typical power dissipation per flip-flop 14 mW
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
DM74LS174
DM74LS175
Order Number
Package Number
Package Description
DM74LS174M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74LS174SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74LS174N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
DM74LS175M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74LS175SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74LS175N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide




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