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M74HC377 Datasheet

  • M74HC377

  • OCTAL D TYPE FLIP FLOP

  • STMicroelectronics   STMicroelectronics

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M54HC377
M74HC377
OCTAL D TYPE FLIP FLOP
.
.
.
.
.
.
.
.
HIGH SPEED
f
MAX
= 73 MHz (TYP.) at V
CC
= 5 V
LOW POWER DISSIPATION
I
CC
= 4
碌A(chǔ)
(MAX.) at 25
擄C
HIGH NOISE IMMUNITY
V
NIH
= V
NIL
= 28 % V
CC
(MIN.)
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
SYMMETRICAL OUTPUT IMPEDANCE
|I
OH
| = I
OL
= 4 mA (MIN.)
BALANCED PROPAGATION DELAYS
t
PLH
= t
PHL
WIDE OPERATING VOLTAGE RANGE
V
CC
(OPR) = 2 V to 6 V
PIN AND FUNCTION COMPATIBLE WITH
54/74LS377
B1R
(Plastic Package)
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HC377F1R
M74HC377M1R
M74HC377B1R
M74HC377C1R
PIN CONNECTIONS
(top view)
DESCRIPTION
The M54/74HC377 is a high speed CMOS OCTAL-
D-TYPE FLIP FLOP fabricated in silicon gate
2
C MOS 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.
February 1993
NC =
No Internal
Connection
1/11

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