74hct7403 NXP Semiconductors, 74hct7403 Datasheet - Page 7

• Manufacturer Part Number: 74hct7403
• Description: 4-bit X 64-word Fifo Register; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
September 1993
t
t
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
PHL
PHL
PHL
PHL
PHL
PHL
PLH
PLH
PZH
PHZ
THL
W
W
4-Bit x 64-word FIFO register; 3-state
/t
/t
/t
/t
/t
/t
/t
/t
PLH
PLH
PLH
PLH
PLH
TLH
PZL
PLZ
propagation
delay
MR to DIR,
DOR
propagation
delay
MR to Q
propagation
delay
SI to DIR
propagation
delay
SO to DOR
propagation
delay
DOR to Q
propagation
delay
SO to Q
propagation
delay/ripple
through delay
SI to DOR
propagation
delay/bubble-up
delay
SO to DIR
3-state output
enable
OE to Q
3-state output
disable
OE to Q
output
transition time
SI pulse
width
HIGH or LOW
SO pulse
width
HIGH or LOW
r
PARAMETER
= t
f
= 6 ns; C
n
n
n
n
n
L
= 50 pF.
35
7
6.0
70
14
12
MIN
69
25
20
52
19
15
66
24
19
94
34
27
11
4
3
105
38
30
2.2
0.8
0.6
2.8
1.0
0.8
44
16
13
50
18
14
14
5
4
11
4
3
22
8
6.0
TYP
25
210
42
36
160
32
27
205
41
35
290
58
49
35
7
6.0
325
65
55
7
1.4
1.2
9
1.8
1.5
150
30
26
150
30
26
60
12
10
MAX
T
amb
45
9
8
90
18
15
MIN
40 to 85
( C)
7
265
53
45
200
40
34
255
51
43
365
73
62
45
9
8
406
81
69
8.8
1.8
1.5
11.2
2.2
1.9
190
38
32
190
38
33
75
15
13
MAX
55
11
9
105
21
18
MIN
40 to 125
315
63
54
240
48
41
310
62
53
435
87
74
55
11
9
488
98
83
10.5
2.1
1.8
13.5
2.7
2.3
225
45
38
225
45
38
90
18
15
MAX
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
s
s
s
s
s
s
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
74HC/HCT7403
V
(V)
CC
TEST CONDITION
Product specification
Fig.8
Fig.8
Fig.6
Fig.9
Fig.10
Fig.14
Fig.10
Fig.7
Fig.16
Fig.16
Fig.16
Fig.6
Fig.9
WAVEFORMS