74HC404 Просмотр технического описания (PDF) - Philips Electronics
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74HC404 Datasheet PDF : 28 Pages
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Philips Semiconductors
5-Bit x 64-word FIFO register; 3-state
Product specification
74HC/HCT7404
PINNING (SOT102)
SYMBOL
OE
DIR
SI
DO to D4
GND
MR
Q4 to Q0
DOR
SO
VCC
PIN
DESCRIPTION
1
output enable input (active
LOW)
2
data-in-ready output
3
shift-in input (active HIGH)
4, 5, 6, 7, 8 parallel data inputs
9
ground
10
asynchronous master-reset
input (active LOW)
11, 12, 13, data outputs
14, 15
16
data-out-ready output
17
shift-out input (active LOW)
18
positive supply voltage
PINNING (SOT163A)
SYMBOL
OE
DIR
SI
n.c.
D0 to D4
GND
MR
Q4 to Q0
n.c.
DOR
n.c.
VCC
PIN
DESCRIPTION
1
output enable input (active
LOW)
2
data-in-ready output
3
shift-in input (active HIGH)
4
not connected
5, 6, 7, 8, 9 parallel data inputs
10
ground
11
asynchronous master-reset
input (active LOW)
12, 13, 14, data outputs
15, 16
17
not connected
18
data-out ready output
19
not connected
20
positive supply voltage
handbook, halfpage
OE 1
DIR 2
SI 3
D0 4
D1 5
D2 6
D3 7
D4 8
GND 9
18 VCC
17 SO
16 DOR
7404
15 Q0
14 Q1
13 Q2
12 Q3
11 Q4
10 MR
MGA670
handbook, halfpage
OE 1
DIR 2
SI 3
n.c. 4
D0 5
D1 6
D2 7
D3 8
D4 9
GND 10
20 VCC
19 SO
18 DOR
17 n.c.
7404
16 Q0
15 Q1
14 Q2
13 Q3
12 Q4
11 MR
MGA671
Fig.1 Pin configuration (SOT102).
Fig.2 Pin configuration (SOT163).
September 1993
3
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