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M74AC574B Schematic ( PDF Datasheet ) - ST Microelectronics

Teilenummer M74AC574B
Beschreibung OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
Hersteller ST Microelectronics
Logo ST Microelectronics Logo 




Gesamt 11 Seiten
M74AC574B Datasheet, Funktion
® 74AC574
OCTAL D-TYPE FLIP FLOP
WITH 3 STATE OUTPUT NON INVERTING
s HIGH SPEED:
fMAX = 220 MHz (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 8 µA (MAX.) at TA = 25 oC
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
s 50TRANSMISSION LINE DRIVING
CAPABILITY
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 574
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The AC574 is an advanced high-speed CMOS
OCTAL D-TYPE FLIP FLOP with 3 STATE
OUTPUT NON INVERTING fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
These 8 bit D-Type flip-flops are controlled by a
clock input (CK) and an output enable input (OE).
On the positive transition of the clock, the Q
DIP
SOP
TSSOP
PACKAGE
DIP
SOP
TSSOP
ORDER CODES
T UB E
T&R
M74AC574B
M74AC574M M74AC574MTR
M74AC574TTR
outputs will be set to logic state that were setup
at the D inputs.
While the (OE) input is low, the 8 outputs will be
in a normal logic state (high or low logic level)
and while high level the outputs will be in a high
impedance state.
The output control does not affect the internal
operation of flip flop; that is, the old data can be
retained or the new data can be entered even
while the outputs are off.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
February 2000
1/11






M74AC574B Datasheet, Funktion
74AC574
TEST CIRCUIT
TEST
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
CL = 50 pF or equivalent (includes jigand probe capacitance)
RL = R1 = 500orequivalent
RT = ZOUT of pulse generator (typically 50)
SW IT CH
Open
2VCC
Open
WAVEFORM 1: PROPAGATION DELAYS, SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle)
6/11

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Besondere Datenblatt

TeilenummerBeschreibungHersteller
M74AC574BOCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTINGST Microelectronics
ST Microelectronics
M74AC574MOCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTINGST Microelectronics
ST Microelectronics
M74AC574MTROCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTINGST Microelectronics
ST Microelectronics
M74AC574TTROCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTINGST Microelectronics
ST Microelectronics

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