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54191 の電気的特性と機能

54191のメーカーはSGS-THOMSONです、この部品の機能は「4 BIT SYNCHRONOUS UP/DOWN COUNTERS」です。


製品の詳細 ( Datasheet PDF )

部品番号 54191
部品説明 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
メーカ SGS-THOMSON
ロゴ SGS-THOMSON ロゴ 




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54191 Datasheet, 54191 PDF,ピン配置, 機能
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

1 Page





54191 pdf, ピン配列
LOGIC DIAGRAM (HC190)
M54/M74HC190/191
3/14


3Pages


54191 電子部品, 半導体
M54/M74HC190/191
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI DC Input Voltage
-0.5 to VCC + 0.5
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
IOK DC Output Diode Current
IO DC Output Source Sink Current Per Output Pin
± 20 mA
± 20 mA
± 25 mA
ICC or IGND DC VCC or Ground Current
± 50 mA
PD Power Dissipation
500 (*)
mW
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied.
(*) 500 mW: 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
VO
Top
tr, tf
Parameter
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature: M54HC Series
M74HC Series
Input Rise and Fall Time
VCC = 2 V
VCC = 4.5 V
VCC = 6 V
Value
2 to 6
0 to VCC
0 to VCC
-55 to +125
-40 to +85
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
oC
oC
ns
6/14

6 Page



ページ 合計 : 14 ページ
 
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共有リンク

Link :


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