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MM74HCT74 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. MM74HCT74
Description  Dual D-Type Flip-Flop with Preset and Clear
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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MM74HCT74 Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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© 2005 Fairchild Semiconductor Corporation
DS005360
www.fairchildsemi.com
February 1984
Revised January 2005
MM74HCT74
Dual D-Type Flip-Flop with Preset and Clear
General Description
The MM74HCT74 utilizes advanced silicon-gate CMOS
technology to achieve operation speeds similar to the
equivalent LS-TTL part. It possesses the high noise immu-
nity and low power consumption of standard CMOS inte-
grated circuits, along with the ability to drive 10 LS-TTL
loads.
This flip-flop has independent data, preset, clear, and clock
inputs and Q and Q outputs. The logic level present at the
data input is transferred to the output during the positive-
going transition of the clock pulse. Preset and clear are
independent of the clock and accomplished by a low level
at the appropriate input.
The 74HCT logic family is functionally and pin-out compati-
ble with the standard 74LS logic family. All inputs are pro-
tected from damage due to static discharge by internal
diode clamps to VCC and ground.
MM74HCT devices are intended to interface between TTL
and NMOS components and standard CMOS devices.
These parts are also plug-in replacements for LS-TTL
devices and can be used to reduce power consumption in
existing designs.
Features
s Typical propagation delay: 20 ns
s Low quiescent current: 40
µA maximum (74HCT Series)
s Low input current: 1
µA maximum
s Fanout of 10 LS-TTL loads
s Meta-stable hardened
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Pb-Free package per JEDEC J-STD-020B.
Order Number
Package
Package Description
Number
MM74HCT74M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
MM74HCT74SJ
M14D
Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
M74HCT74MTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HCT74N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
MM74HCT74N_NL
N14A
Pb-Free 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide


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