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| 型號(hào)： | SNJ54HC652FKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28 |
| 封裝： | CERAMIC, LCC-28 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 449K |
| 代理商： | SNJ54HC652FKR |
SN54HC652, SN74HC652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS151E – DECEMBER 1982 – REVISED MARCH 2003
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HC652
SN74HC652
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
6
4.3
5.5
fclock
Clock frequency
4.5 V
31
22
27
MHz
6 V
36
25
31
2 V
80
115
95
tw
Pulse duration, CLKBA or CLKAB high or low
4.5 V
16
23
19
ns
6 V
14
20
16
↑
2 V
100
150
125
tsu
Setup time, A before CLKAB
↑ or B before CLKBA↑
4.5 V
20
30
25
ns
6 V
17
26
21
↑
2 V
5
th
Hold time, A after CLKAB
↑ or B after CLKBA↑
4.5 V
5
ns
6 V
5
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 2)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC652
SN74HC652
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
6
10
4.3
5.5
fmax
4.5 V
31
40
22
27
MHz
6 V
36
45
25
31
2 V
65
180
270
225
CLKBA or CLKAB
A or B
4.5 V
18
36
54
45
6 V
14
31
46
38
2 V
50
135
205
170
tpd
A or B
B or A
4.5 V
14
27
41
34
ns
6 V
11
23
35
29
2 V
70
190
285
240
SBA or SAB
A or B
4.5 V
20
38
57
48
6 V
16
32
48
41
2 V
85
245
370
305
ten
OEBA or OEAB
A or B
4.5 V
25
49
74
61
ns
6 V
20
42
63
52
2 V
50
245
370
305
tdis
OEBA or OEAB
A or B
4.5 V
23
49
74
61
ns
6 V
20
42
63
52
2 V
28
60
90
75
tt
Any
4.5 V
8
12
18
15
ns
6 V
6
10
15
13
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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