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74VHC273SJ Datasheet

  • 74VHC273SJ

  • Octal D-Type Flip-Flop

  • 7頁

  • FAIRCHILD

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74VHC273 Octal D-Type Flip-Flop
April 1994
Revised April 1999
74VHC273
Octal D-Type Flip-Flop
General Description
The VHC273 is an advanced high speed CMOS Octal D-
type flip-flop 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.
The register has a common buffered Clock (CP) which is
fully edge-triggered. The state of each D input, one setup
time before the LOW-to-HIGH clock transition, is trans-
ferred to the corresponding flip-flop鈥檚 Q output. The Master
Reset (MR) input will clear all flip-flops simultaneously. All
outputs will be forced LOW independently of Clock or Data
inputs by a LOW voltage level on the MR input.
An input protection circuit insures that 0V to 7V can be
applied to the inputs 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: f
MAX
=
165 MHz (typ) at V
CC
=
5V
s
Low power dissipation: I
CC
=
4
碌A(chǔ)
(max) at T
A
=
25擄C
s
High noise immunity: V
NIH
=
V
NIL
=
28% V
CC
(min)
s
Power down protection is provided on all inputs
s
Low noise: V
OLP
=
0.9V (max)
s
Pin and function compatible with 74HC273
Ordering Code:
Order Number
74VHC273M
74VHC273SJ
74VHC273MTC
74VHC273N
Package Number
M20B
M20D
MTC20
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
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 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names
D
0
鈥揇
7
MR
CP
Q
0
鈥換
7
Description
Data Inputs
Master Reset
Clock Pulse Input
Data Outputs
漏 1999 Fairchild Semiconductor Corporation
DS011670.prf
www.fairchildsemi.com

74VHC273SJ 產(chǎn)品屬性

  • 38

  • 集成電路 (IC)

  • 邏輯 - 觸發(fā)器

  • 74VHC

  • 主復(fù)位

  • D 型總線

  • 非反相

  • 1

  • 8

  • 165MHz

  • 5.8ns

  • 正邊沿

  • 8mA，8mA

  • 2 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-SOIC（0.209"，5.30mm 寬）

  • 管件

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