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參數(shù)資料
| 型號(hào)： | SN54HCT652JT |
| 廠(chǎng)商： | Texas Instruments, Inc. |
| 英文描述： | Dual EIA-423/EIA-232D Line Driver; Package: 8 LEAD PDIP; No of Pins: 8; Qty per Container: 50 |
| 中文描述： | 八路總線(xiàn)收發(fā)器和寄存器具有三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | SN54HCT652JT |
SN54HCT652, SN74HCT652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS179B – MARCH 1984 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HCT652
MIN
17
SN74HCT652
MIN
20
UNIT
(OUTPUT)
MIN
25
MAX
MAX
MAX
fmax
4.5 V
35
MHz
5.5 V
28
40
19
22
CLKBA or CLKAB
A or B
4.5 V
18
36
54
45
5.5 V
16
32
49
41
td
tpd
A or B
B or A
4.5 V
14
27
41
34
ns
5.5 V
12
24
37
31
SBA or SAB
A or B
4.5 V
20
38
57
48
5.5 V
17
34
51
43
ten
OEBA or OEAB
A or B
4.5 V
25
49
74
61
ns
5.5 V
22
44
67
55
tdis
OEBA or OEAB
A or B
4.5 V
25
49
74
61
ns
5.5 V
22
44
67
55
tt
Any
4.5 V
5.5 V
9
7
12
11
18
16
15
14
ns
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
switching characteristics over recommended operating free-air temperature range, C
L
= 150 pF
(unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HCT652
MIN
SN74HCT652
MIN
UNIT
(OUTPUT)
MIN
MAX
MAX
MAX
CLKBA or CLKAB
A or B
4.5 V
24
53
80
66
5.5 V
22
47
72
60
td
tpd
A or B
B or A
4.5 V
22
44
70
55
ns
5.5 V
20
39
60
50
SBA or SAB
A or B
4.5 V
26
55
83
69
5.5 V
24
49
74
62
ten
OEBA or OEAB
A or B
4.5 V
33
66
100
82
ns
5.5 V
30
59
90
74
tt
Any
4.5 V
5.5 V
17
14
42
38
63
57
53
48
ns
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
50
pF
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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