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參數(shù)資料
| 型號(hào)： | DC74HC259 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | FPGA, 12K LUTS, 93 I/O,DSP,144TQFP; Logic IC family:ECP2; Logic IC function:FPGA; Voltage, supply:1.2V; Case style:TQFP; Base number:2; I/O lines, No. of:93; Logic function number:LFE2-12E; Pins, No. of:144; Temp, op. max:85(degree RoHS Compliant: Yes |
| 中文描述： | 高速CMOS邏輯8位可尋址鎖存器 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 62K |
| 代理商： | DC74HC259 |
6
A to Q
t
PHL
C
L
= 50pF
2
-
-
185
-
230
-
280
ns
4.5
-
-
37
-
46
-
56
ns
C
L
= 15pF
5
-
15
-
-
-
-
-
ns
C
L
= 50pF
6
-
-
31
-
39
-
48
ns
MR to Q
t
PHL,
t
PLH
C
L
= 50pF
2
-
-
155
-
195
-
235
ns
4.5
-
-
31
-
39
-
47
ns
C
L
= 15pF
5
-
13
-
-
-
-
-
ns
C
L
= 50pF
6
-
-
26
-
33
-
40
ns
Output Transition Time
t
THL
, t
TLH
C
L
= 50pF
2
-
-
75
-
95
-
110
ns
4.5
-
-
15
-
19
-
22
ns
6
-
-
13
-
16
-
19
ns
Power Dissipation Capacitance
(Notes 4, 5)
C
PD
C
L
= 15pF
5
-
21
-
-
-
-
-
pF
Input Capacitance
C
I
C
L
= 50pF
-
10
-
10
-
10
-
10
pF
HCT TYPES
Propagation Delay
t
PHL,
t
PLH
D to Q
C
L
= 50pF
4.5
-
-
39
-
49
-
59
ns
C
L
= 15pF
5
-
16
-
-
-
-
-
ns
LE to Q
C
L
= 50pF
4.5
-
-
38
-
48
-
57
ns
C
L
= 15pF
5
-
16
-
-
-
-
-
ns
A to Q
C
L
= 50pF
4.5
-
-
41
-
51
-
61
ns
C
L
= 15pF
5
-
17
-
-
-
-
-
ns
MR to Q
C
L
= 50pF
4.5
-
-
39
-
49
-
59
ns
C
L
= 15pF
5
-
16
-
-
-
-
-
ns
Power Dissipation Capacitance
(Notes 4, 5)
C
PD
C
L
= 15pF
5
-
22
-
-
-
-
-
pF
Input Capacitance
C
I
C
L
= 50pF
-
10
-
10
-
10
-
10
pF
Output Transition Time
t
THL
, t
TLH
C
L
= 50pF
4.5
-
-
15
-
19
-
22
ns
NOTES:
4. C
PD
is used to determine the dynamic power consumption, per package.
5. P
D
= C
PD
V
CC2
f
i
+
∑
C
L
V
CC2
f
O
where f
i
= Input Frequency, f
O
= Output Frequency, C
L
= Output Load Capacitance,
V
CC
= Supply Voltage.
Switching Specifications
C
L
= 50pF, Input t
r
, t
f
= 6ns
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C
-40
o
C TO
85
o
C
-55
o
C TO
125
o
C
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CD74HC259, CD74HCT259
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