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UT54ACS273 fiches techniques PDF

ETC - Octal D-Flip-Flops

Numéro de référence UT54ACS273
Description Octal D-Flip-Flops
Fabricant ETC 
Logo ETC 





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UT54ACS273 fiche technique
UT54ACS273/UT54ACTS273
Radiation-Hardened
Octal D-Flip-Flops with Clear
FEATURES
Contains eight flip-flops with single-rail outputs
Buffered clock and direct clear inputs
Individual data input to each flip-flop
www.DataSheetA4Up.pcloimcations include:
- Buffer/storage registers, shift registers, and pattern
generators
radiation-hardened CMOS
- Latchup immune
High speed
Low power consumption
Single 5 volt supply
Available QML Q or V processes
Flexible package
- 20-pin DIP
- 20-lead flatpack
DESCRIPTION
The UT54ACS273 and the UT54ACTS273 are positive-edge-
triggered D-type flip-flops with a direct clear input.
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. When the clock input is at either the high or low
level, the D input signal has no effect at the output.
The devices are characterized over full military temperature
range of -55 C to +125 C.
FUNCTION TABLE
INPUTS
OUTPUTS
CLR
CLK
Dx
Qx
LXX
HH
L
H
H LL
H L X No change
PINOUTS
20-Pin DIP
Top View
CLR
1Q
1D
2D
2Q
3Q
3D
4D
4Q
VSS
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
VDD
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
20-Lead Flatpack
Top View
CLR
1Q
1D
2D
2Q
3Q
3D
4D
4Q
VSS
LOGIC SYMBOL
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
VDD
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
(1)
CLR
(11)
CLK
1D (3)
(4)
2D
3D (7)
(8)
4D
5D (13)
(14)
6D
7D (17)
(18)
8D
R
C1
1D
(2)
1Q
(5)
2Q
(6)
3Q
(9)
4Q
(12)
5Q
(15)
(16) 6Q
7Q
(19)
8Q
Note:
1. Logic symbol in accordance with ANSI/IEEE standard 91-1984
and IEC Publication 617-12.
189 RadHard MSI Logic

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