74VHC74 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74VHC74 Datasheet PDF : 8 Pages
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October 1992
Revised February 2005
74VHC74
Dual D-Type Flip-Flop with Preset and Clear
General Description
The VHC74 is an advanced high speed CMOS Dual D-
Type Flip-Flop fabricated with silicon gate CMOS technol-
ogy. It achieves the high speed operation similar to equiva-
lent Bipolar Schottky TTL while maintaining the CMOS low
power dissipation. The signal level applied to the D input is
transferred to the Q output during the positive going transi-
tion of the CK pulse. CLR and PR are independent of the
CK and are accomplished by setting the appropriate input
LOW.
An input protection circuit ensures that 0V to 7V can be
applied to the input pins without regard to the supply volt-
age. This device can be used to interface 5V to 3V systems
and two supply systems such as battery backup. This cir-
cuit prevents device destruction due to mismatched supply
and input voltages.
Features
s High Speed: fMAX 170 MHz (typ) at TA 25qC
s High noise immunity: VNIH VNIL 28% VCC (min)
s Power down protection is provided on all inputs
s Low power dissipation: ICC 2 PA (max) at TA 25qC
s Pin and function compatible with 74HC74
Ordering Code:
Order Number
Package
Number
Package Description
74VHC74M
M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
74VHC74MX_NL
M14A Pb-Free 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
74VHC74SJ
M14D Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC74MTC
MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74VHC74MTCX_NL MTC14 Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
(Note 1)
Wide
74VHC74N
N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Pb-Free package per JEDED J-STD-020B.
Note 1: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.
© 2005 Fairchild Semiconductor Corporation DS011505
www.fairchildsemi.com
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