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74AC74 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. 74AC74
Description  DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74AC74 Datasheet(HTML) 1 Page - STMicroelectronics

 
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74AC74
DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
April 1997
s
HIGH SPEED:
fMAX = 300 MHz (TYP.) at VCC =5V
s
LOW POWER DISSIPATION:
ICC =4
µA (MAX.) at TA =25 oC
s
HIGH NOISE IMMUNITY:
VNIH =VNIL = 28% VCC (MIN.)
s
50
Ω TRANSMISSION 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 74
s
IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The AC74 is an advanced high-speed CMOS
OCTAL D-TYPE FLIP FLOP WITH PRESET AND
CLEAR
NON
INVERTING
fabricated
with
sub-micron silicon gate and double-layer metal
wiring C
2MOS technology.
A signal on the D INPUT is transferred to the Q
OUTPUT during the positive going transition of
the clock pulse.
CLEAR and PRESET are independent of the
clock and accomplished by a low setting on the
appropriate input.
It is ideal for low power applications mantaining
high speed operation similar to equivalent Bipolar
Schottky TTL.
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
ORDER CODES :
74AC74B
74AC74M
M
(Micro Package)
B
(Plastic Package)
1/11


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