參數(shù)資料
型號: 74HC7404N
廠商: NXP SEMICONDUCTORS
元件分類: FIFO
英文描述: 5-Bit x 64-word FIFO register; 3-state
中文描述: 64 X 5 OTHER FIFO, 98 ns, PDIP18
封裝: PLASTIC, DIP-18
文件頁數(shù): 10/28頁
文件大?。?/td> 131K
代理商: 74HC7404N
September 1993
10
Philips Semiconductors
Product specification
5-Bit x 64-word FIFO register; 3-state
74HC/HCT7404
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF.
SYMBOL
PARAMETER
T
amb
°
C
UNIT
TEST CONDITION
+25
40 to +85
40 to +125
V
CC
(V)
WAVEFORMS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
t
PHL
/t
PLH
propagation
delay
MR to DIR,
DOR
propagation
delay
MR to Q
n
propagation
delay
SI to DIR
propagation
delay
SO to DOR
propagation
delay
SO to Q
n
propagation
delay
DOR to Q
n
propagation
delay/ripple
through delay
SI to DOR
propagation
delay/bubble-
up delay
SO to DIR
3-state output
enable
OE to Q
n
3-state output
disable
OE to Q
n
output
transition time
SI pulse width
HIGH or LOW
SO pulse width
HIGH or LOW
DIR pulse width
HIGH
30
51
53
63
ns
4.5
Fig.9
t
PHL
22
38
48
57
ns
4.5
Fig.9
t
PHL
/t
PLH
25
43
54
65
ns
4.5
Fig.7
t
PHL
/t
PLH
36
61
76
92
ns
4.5
Fig.10
t
PHL
/t
PLH
42
72
90
108
ns
4.5
Fig.15
t
PHL
/t
PLH
7
12
15
18
ns
4.5
Fig.11
t
PLH
0.8
1.4
1.75
2.1
μ
s
4.5
Fig.11
t
PLH
1
1.8
2.25
2.7
μ
s
4.5
Fig.8
t
PZH
/t
PZL
16
30
38
45
ns
4.5
Fig.17
t
PHZ
/t
PLZ
19
30
38
45
ns
4.5
Fig.17
t
THL
/t
TLH
5
12
15
18
ns
4.5
Fig.17
t
W
9
5
6
8
ns
4.5
Fig.7
t
W
14
8
18
21
ns
4.5
Fig.10
t
W
5
17
29
4
36
4
44
ns
4.5
Fig.8
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