M54HC377 Datasheet, PDF (1/11 Pages) STMicroelectronics – OCTAL D TYPE FLIP FLOP

. HIGH SPEED
fMAX = 73 MHz (TYP.) at VCC = 5 V
. LOW POWER DISSIPATION
I_CC = 4 µA (MAX.) at 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
t_PLH = t_PHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V to 6 V
. PIN AND FUNCTION COMPATIBLE WITH
54/74LS377
M54HC377
M74HC377
OCTAL D TYPE FLIP FLOP
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M 54HC 37 7F 1R
M 74H C3 77 M1 R
M 74HC 37 7B 1R
M 74H C3 77 C1 R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC377 is a high speed CMOS OCTAL-
D-TYPE FLIP FLOP fabricated in silicon gate
C²MOS technology. It has the same high speed per-
formance of LSTTL combined with true CMOS low
power consumption.
Information at the D inputs meeting the setup time
requirements is transferred to the Q outputs on the
positive-going edge of the clock pulse if the enable
input G is low. Clock triggering occurs at a particular
voltage level and is not directly related to the transi-
tion time of the positive-going pulse. When the clock
input is at either the high or low level, the D input sig-
nal has no effect at the output. All inputs are
equipped with protection circuits against static dis-
charge and transient excess voltage.
NC =
No Internal
Connection
February 1993
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