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MICROCIRCUIT DATA SHEET
MNDM54LS273-X REV 1A0
8 - BIT REGISTER (with Clear)
General Description
The 'LS273 is a high-speed 8 - bit register, consisting of eight D-type flip-flops with a
common Clock and an asynchronous active LOW master Reset.
Original Creation Date: 04/12/98
Last Update Date: 07/17/98
Last Major Revision Date: 04/12/98
Industry Part Number
54LS273
NS Part Numbers
DM54LS273E/883
DM54LS273J/883
Prime Die
L273
Processing
MIL-STD-883, Method 5004
Subgrp Description
1
2
3
4
5
6
7
8A
8B
9
10
11
Static tests at
Static tests at
Static tests at
Dynamic tests at
Dynamic tests at
Dynamic tests at
Functional tests at
Functional tests at
Functional tests at
Switching tests at
Switching tests at
Switching tests at
Temp (
o
C)
+25
+125
-55
+25
+125
-55
+25
+125
-55
+25
+125
-55
Quality Conformance Inspection
MIL-STD-883, Method 5005
1
MNDM54LS273-X REV 1A0
MICROCIRCUIT DATA SHEET
Features
-
-
-
-
Edge-triggered
8 - Bit high speed parallel registers
Parallel In and Out
Common Clock and Master Reset
2
MNDM54LS273-X REV 1A0
MICROCIRCUIT DATA SHEET
(Absolute Maximum Ratings)
(Note 1)
Storage Temperature
-65 C to +150 C
Ambient Temperature under Bias
-55 C to +125 C
Input Voltage
-0.5V to +10.0V
VCC Pin Potential to Ground Pin
-0.5V to +7.0V
Junction Temperature under Bias
-55C to +175C
Current Applied to Output in LOW state (Max)
twice the rated Iol (ma)
Note 1:
Absolute Maximum ratings are those values beyond which the device may be damaged or
have its useful life impaired. Functional operation under these conditions is not
implied.
Recommended Operating Conditions
Free Air Ambient Temperature
Military
Supply Voltage
Military
-55 C to +125 C
+4.5V to +5.5V
3
MNDM54LS273-X REV 1A0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETER
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: VCC 4.5V to 5.5V, Temp range: -55C to 125C
SYMBOL
IIH
IBVI
IIL
VOL
VOH
IOS
VCD
ICC
PARAMETER
Input High
Current
Input High
Current
Input LOW Current
Output LOW
Voltage
High Level Output
Voltage
Short Circuit
Output Current
Input Clamp Diode
Voltage
Supply Current
CONDITIONS
VCC=5.5V, VM=2.7V, VINH=4.5V
VCC=5.5V, VM=10.0V, VINH=4.5V
VCC=5.5V, VM=0.4V, VINH=4.5V
VCC=4.5V, IOL=4.0mA, VINH=4.5V,
VIL=0.7V, VINL=0.0V
VCC=4.5V, IOH=-0.4mA, VINH=4.5V,
VIH=2.0V
VCC=5.5V, VINH=4.5V, VOUT=0.0V,
VINL=0.0V
VCC=4.5V, IM=-18mA, VINH=4.5V
VCC=5.5V, VINH=4.5V
NOTES
PIN-
NAME
MIN
MAX
20.0
100
-0.03
-0.4
0.4
UNIT
uA
uA
mA
V
V
-100
-1.5
27.0
mA
V
mA
SUB-
GROUPS
1, 2,
3
1, 2,
3
1, 2,
3
1, 2,
3
1, 2,
3
1, 2,
3
1, 2,
3
1, 2,
3
1, 3 INPUTS
1, 3 INPUTS
1, 3 INPUTS
1, 3 OUTPUTS
1, 3 OUTPUTS 2.5
1, 3 OUTPUT
1, 3 INPUTS
1, 3 VCC
-20.0
AC PARAMETER - 15pF
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC: CL=15pF
Temp range: +25C
tpHL (1)
tpLH/HL
ts (H/L)
th (H/L)
tw (H/L)
tw (L)
tREC
fMAX
Propagation Delay
Propagation Delay
Set-up Time
Hold Time
Pulse Width
Pulse Width
Recovery Time
Maximum Clock
Frequency
VCC=5.0V
VCC=5.0V
VCC=5.0V
VCC=5.0V
VCC=5.0V
VCC=5.0V
VCC=5.0V
VCC=5.0V
5
5
5
5
5
5
5
5
MR to
Qn
CP to
Qn
Dn to
CP
Dn to
CP
CP
MR
MR to
CP
CP
15.0
5.0
20.0
20.0
15.0
30.0
27.0
24.0
ns
ns
ns
ns
ns
ns
ns
MHZ
9
9
9
9
9
9
9
9
4
