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SN74LS373N (Tl)
TTL 3·STATE OUTPUTS OCTAL LATCHES
-TOP VIEW-
MC74F374N (MOTOROLA)
SN74LS374N (Tl)
INPUTS
OUT
EN
D L.E
Q
0
, ,
,
0
0
1
0
0
x
0
Qo
t
x x
Hl-Z
Hl-Z;
11 L.E IN
HIGH IMPEDANCE
CLATCH
ENAlll.E)
~: ~~:H L.L.~~~t
X ; DON'T CARE
TTL 3-STATE OUTPUTS OCTAL Cl-TYPE FLIP·FLOP
-
TOP VIEW-
SN74LS540N (Tl)
IN"UTS
OUT
EN
D CK
Q
0
,
.I
I
0
0
s
0
0
x
0
Qo
1
x x
Hl-Z
O; LOW LEVEL
1 ;
HIGH L.EVEL.
X ;
DON'T CARE
Hl-Z;HIGH IMPEDANCE
TTL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
-
TOP
V!EW -
Y5
Y6
Y8
Gt G2
A
y
0
0
0
I
0
0
t
0
i
x x
Hl-Z
x
t
x
Hl-Z
A4
A5
A6
A7
AS
O;L.OW L.EVEL.
NWS-1510/1530/1580
I ; HIGH L.EVEL.
X ·,DON'T CARE
H 1-Z ; HIGH IMPEDANCE
5.5
SN74LS541 N (Tl)
TTL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
-TOP VIEW-
Gt G2
A
y
0
0
0
0
0
0
t
1
i
x
x
Hl-Z
x
t
x
Hl-Z
o;L.OW L.EVEL.
I ; HIGH L.EVEL.
X;
OON'T CARE
Hl-Z; HIGH IMPEDANCE
SN74ALS574AN (Tl)
TTL 3-STATE O-TYPE EDGE-TRIGGERED FLIP-FLOP
-
TOP VIEW-
SN74ALS576AN (Tl)
D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH INVERTED OUTPUTS
-TOP VIEW-
SN74AS1004AN (Tl)
TTL INVERTER
-
TOI'
VIEW-
EACH FL.IP·FL.OP
INPUTS
OUT
EN CK D
Q
0
.r
I
I
0
s
0
0
0
0
x
Qo
I
x x
Hl-Z
0;
L.OW L.EVEL.
I I HIGH
L.EVEL.
X ;
DON'T CARE
HI - Z ; HIGH IMPEDANCE
~l:I
I
I
I~
I
Jl·Z
I
l1RICHLEVl!L
X I DOll'T CAlll
01
I
~
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