74VHC374 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74VHC374 Datasheet PDF : 7 Pages
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November 1992
Revised April 1999
74VHC374
Octal D-Type Flip-Flop with 3-STATE Outputs
General Description
The VHC374 is an advanced high speed CMOS octal flip-
flop with 3-STATE output fabricated with silicon gate CMOS
technology. It achieves the high speed operation similar to
equivalent Bipolar Schottky TTL while maintaining the
CMOS low power dissipation. This 8-bit D-type flip-flop is
controlled by a clock input (CP) and an output enable input
(OE). When the OE input is HIGH, the eight outputs are in
a HIGH impedance state.
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 back up. This cir-
cuit prevents device destruction due to mismatched supply
and input voltages.
Features
s High Speed: tPD = 5.4 ns (typ) at VCC = 5V
s High noise immunity: VNIH = VNIL = 28% VCC (Min)
s Power down protection is provided on all inputs
s Low power dissipation: ICC = 4 µA (Max) @ TA = 25°C
s Pin and function compatible with 74HC374
Ordering Code:
Order Number
74VHC374M
74VHC374SJ
74VHC374MTC
74VHC374N
Package Number
Package Description
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
N20A
20-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.
Logic Symbol
Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names
D0–D7
CP
OE
O0–O7
Description
Data Inputs
Clock Pulse Input
3-STATE Output Enable Input
3-STATE Outputs
© 1999 Fairchild Semiconductor Corporation DS011538.prf
www.fairchildsemi.com
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