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Integrated Device Technology Electronic Components Datasheet

IDT74AHCT193 Datasheet

High Speed CMOS Up-Down Binary Counter

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FEATURES:
• Equivalent to ALS speeds and output drive over full
temperature and voltage supply extremes
• IOL = 14mA over full military temperature range
• CMOS power levels (5J.<W typo static)
• Both CMOS and TTL output compatible
• Substantially lower input current levels than ALS (5J.< max.)
• 100% product assurance screening to MIL-STD-883, Class B
is available
• JEDEC standard pinout for DIP and LCC
DESCRIPTION:
The IDT54/74AHCT193 is an up/down module-16 binary
counter built using advanced CEMOS'·, a dual metal CMOS
technology. Separate Count-up and Count-down Clocks are used
and, in either counting mode, the circuits operate synchronously.
The outputs change state synchronously with the LOW-te-HIGH
transitions on the clock inputs. Separate Terminal Count-up and
Terminal Count-down outputs are provided that are used as the
clocks for subsequent stages without extra logic, thus si mplifying
multistage counter designs. Individual preset inputs allow the
circuit to be used as a programmable counter. Both the Parallel
Load (PL) and the Master Reset (MR) inputs asynchronously
override the clocks.
FUNCTIONAL BLOCK DIAGRAM
P,
. ..... ....
~CPu
CPo
~
.......
~
~
TCu
==r (CARRY)
TCD
r (BORROW)
~
:[ yj
~rCD SD
~: CPos~r ~cKCo CP SJo'r
~(KCCD P SJD'
o0
o0
rOC"'rL-
L-
~
~
MR ........
,>'
V
'7
'7
0, O2 0 3
SSDAHCT193"()()1
CEMOS is a trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
01986 Integrated Device Technology, Inc.
5-39
JULY 1986
Printed in the U.S.A.


Integrated Device Technology Electronic Components Datasheet

IDT74AHCT193 Datasheet

High Speed CMOS Up-Down Binary Counter

No Preview Available !

IDT54n4AHCT193
HIGH-SPEED CMOS UP/DOWN BINARY COUNTER
PIN CONFIGURATIONS
PI
Q1
Qo
CPo
CPu
Q2
Q3
GND
Vee
Po
MR
TCo
TCu
Pi
P2
P3
DIP/SOIC
TOP VIEW
cfa.""~
u
~~
Q2
CPu
II II II II II
I :_] L3.J L2.J
~o i~r-
- 4 ~J 18L.-
:J 5 17[:
Pi
TCu
NC :J6
16C: NC
CPD :J7
QO
15[":'
14r -
13L...-
," ,
TCD
MR
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ABSOLUTE MAXIMUM RATING(1)
SYMBOL
RATING
COMMERCIAL MILITARY UNIT
VTERM
Terminal
Voltage with
Respect to GND
-0.5 to +7.0
-0.5 to +7.0
V
Operation
TA Temperature
oto +70
-55 to +125
·C
TBIAS
Temperature
Under Bias
-55 to +125 -65 to +135
·C
TSTG
Storage
Temperature
-55 to +125 -65 to +155 ·C
lOUT
DC Output
Current
120 120 mA
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those
indicated in the operational sections of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may
affect reliability_
LCc/PLCC
TOPYIEW
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
FOllowing Conditions Apply Unless Otherwise Specified:
TA =O·C to +70·C
Vee =5.0V ± 5%
Min. =4.75V
TA = -55·C to +125·C
Vee = 5.0V ± 10%
Min. = 4.50V
Max. = 5.25V (Commercial)
Max. = 5.50V (Military)
VLe = O.2V
VHe = Vee - O.2V
SYMBOL
PARAMETER
TEST CONDITIONSII)
MIN. TYp.(2)
VIH Input HIGH Level
VIL Input LOW Level
IIH Input HIGH Current
IlL Input LOW Current
Guaranteed Logic High Level
Guaranteed Logic Low Level
Vee =Max., VIN =Vec
Vee = Max., VIN = GND
2.0 -
--
--
--
Ise Short Circuit Current
Vee = Max.13)
-60 -100
Vee = 3V, VIN = VLe or VHe, IOH = -32p.A
VHe Vee
VOH Output HIGH Voltage
VOL Output LOW Voltage
Vee = Min.
VIN = VIH or VIL
IOH= -150p.A
IOH = -1.0mA MIL.
IOH = -2.6mA COM'L
Vee = 3V, VIN = VLe or VHe, IOL = 3oop.A
Vee = Min.
VIN = VIH or VIL
IOL = 3oop.A
IOL = 14mA MIL.
IOL = 24mA COM'L.
VHe
2.4
2.4
-
-
-
-
Vee
4.3
4.3
GND
GND
-
-
NOTES:
1. For conditions shown as max. or min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vee = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the short circuit test should not exceed one second.
MAX.
-
0.8
5
-5
-
-
-
-
-
VLe
VLe
0.4
0.5
UNIT
V
V
p.A
p.A
mA
V
V
5-40


Part Number IDT74AHCT193
Description High Speed CMOS Up-Down Binary Counter
Maker IDT
Total Page 4 Pages
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