M54HC190C1R Datasheet PDF - ST Microelectronics
| Part Number | M54HC190C1R | |
| Description | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS | |
| Manufacturers | ST Microelectronics | |
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M54/M74HC190
M54/M74HC191
4 BIT SYNCHRONOUS UP/DOWN COUNTERS
. HIGH SPEED
fMAX = 48 MHz (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 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
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS190/191
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCXXXF1R M74HCXXXM1R
M74HCXXXB1R M74HCXXXC1R
PIN CONNECTIONS (top view)
DESCRIPTION
The M54/74HC190/191 are high speed CMOS 4-BIT
SYNCHRONOUS UP/DOWN COUNTERS fabri-
cated in silicon gate C2MOS technology.
They have the same high speed performance of
LSTTL combined with true CMOS low power con-
sumption.
State changes of the counter are synchronous with
the LOW-to-HIGH transition of the Clock Pulse input.
An asynchronous parallel load input overrides count-
ing and loads the data present on the DATA inputs into
the flip-flops, which makes it possible to use the cir-
cuits as programmable counters. A countenable input
serves as the carry/borrow input in multi-stage
counters. Control input, Down/Up, determines
whether a circuit counts up or down. A MAX/MIN out-
put and a Ripple Clock output provide overflow/under-
flow indication and make possible a variety of
methods for generating carry/borrow signals in multi-
stage counter applications.
All inputs are equipped with protection circuits against
static discharge and transient excess voltage.
NC =
No Internal
Connection
October 1992
1/14
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TIMING CHART (HC190)
M54/M74HC190/191
TIMING CHART (HC191)
5/14
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for M54HC190C1R electronic component. |
| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ M54HC190C1R.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| M54HC190C1R | The function is 4 BIT SYNCHRONOUS UP/DOWN COUNTERS. ST Microelectronics | |
| M54HC190C1R | The function is 4 BIT SYNCHRONOUS UP/DOWN COUNTERS. ST Microelectronics | |
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