74HC7403D 查看數據表（PDF） - Philips Electronics
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74HC7403D Datasheet PDF : 28 Pages
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Philips Semiconductors
4-Bit x 64-word FIFO register; 3-state
Product specification
74HC/HCT7403
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITION
SYMBOL PARAMETER
−25
−40 to +85 −40 to +125 UNIT
MIN TYP MAX MIN MAX MIN MAX
VCC
(V)
WAVEFORMS
tPHL/tPLH propagation
−
30 51 −
53 −
63 ns 4.5
delay
MR to DIR,
DOR
tPHL
propagation
−
22 38 −
48 −
57 ns 4.5
delay
MR to Qn
tPHL/tPLH propagation
−
25 43 −
54 −
65 ns 4.5
delay
SI to DIR
tPHL/tPLH propagation
−
36 61 −
76 −
92 ns 4.5
delay
SO to DOR
tPHL/tPLH propagation
−
delay
SO to Qn
tPHL/tPLH propagation
−
delay
DOR to Qn
tPLH
propagation
−
delay/ripple
through delay
SI to DOR
42 72 −
7
12 −
0.8 1.4 −
90 −
15 −
1.75 −
108 ns 4.5
18 ns 4.5
2.1 µs 4.5
tPLH
propagation
−
1
1.8 −
2.25 −
2.7 µs 4.5
delay/bubble-up
delay
SO to DIR
tPZH/tPZL
tPHZ/tPLZ
tTHL/tTLH
3-state output −
enable time
OE to Qn
3-state output −
disable time
OE to Qn
output transition −
time
16 30 −
19 30 −
5
12 −
38 −
38 −
15 −
45 ns 4.5
45 ns 4.5
18 ns 4.5
tW
SI pulse width 9
5
−
6
−
8
−
ns 4.5
HIGH or LOW
tW
SO pulse width 14 8
−
18 −
21 −
ns 4.5
HIGH or LOW
tW
DIR pulse width 5
17 29 4
36 4
44 ns 4.5
HIGH
Fig.8
Fig.8
Fig.6
Fig.9
Fig.14
Fig.10
Fig.10
Fig.7
Fig.16
Fig.16
Fig.16
Fig.6
Fig.9
Fig.7
September 1993
10
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