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PDF 74VHC574M Data sheet ( Hoja de datos )
| Número de pieza | 74VHC574M | |
| Descripción | Octal D-Type Flip-Flop with 3-STATE Outputs | |
| Fabricantes | Fairchild Semiconductor | |
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March 1993
Revised April 1999
74VHC574
Octal D-Type Flip-Flop with 3-STATE Outputs
General Description
The VHC574 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 = 5.6 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 Noise: VOLP = 0.6V (typ)
s Low Power Dissipation: ICC = 4 µA (Max) @ TA = 25°C
s Pin and Function Compatible with 74HC574
Ordering Code:
Order Number Package Number
Package Description
74VHC574M
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
74VHC574SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC574MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153
74VHC574N
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 DS011565.prf
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
Package Number M20B
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 74VHC574M.PDF ] | |
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