參數(shù)資料
型號： SN54LVTH18502AHV
廠商： Texas Instruments, Inc.
英文描述： 3.3-V ABT SCAN TEST DEVICES WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
中文描述： 的3.3V ABT生根粉掃描測試設備與18位通用總線收發(fā)器
文件頁數(shù)： 29/38頁
文件大小： 613K
代理商： SN54LVTH18502AHV
SCBS668C JULY 1996 REVISED JUNE 2004
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (normal mode) (see Figure 14)
SN54LVTH18502A
VCC = 3.3 V
±
0.3 V
SN74LVTH18502A
VCC = 3.3 V
±
0.3 V
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.7 V
VCC = 2.7 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
CLKAB or CLKBA
100
80
100
80
MHz
A or B
B or A
1.1
5.1
5.8
1.5
4.9
5.6
ns
1.3
5.2
5.8
1.5
4.9
5.6
CLKAB or CLKBA
B or A
1.1
6.7
7.2
1.5
5.8
6.8
ns
1.5
6.7
7.2
1.5
5.8
6.8
LEAB or LEBA
B or A
1.5
7.8
9.3
1.5
7.4
8.4
ns
1.3
6.7
7
1.5
5.7
6.4
OEAB or OEBA
B or A
1
8.2
8.8
1.5
7.1
8.3
ns
1.5
8.1
9.1
1.5
7.1
8.3
OEAB or OEBA
B or A
2.3
9.3
10
9.2
2.5
2.5
7.8
7.8
8.4
8.4
ns
2
9
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (test mode) (see Figure 14)
SN54LVTH18502A
VCC = 3.3 V
±
0.3 V
SN74LVTH18502A
VCC = 3.3 V
±
0.3 V
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.7 V
VCC = 2.7 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
TCK
50
40
50
40
MHz
TCK
↓
A or B
1.6
15
18
2.5
14
17
ns
2.5
15
18
2.5
14
17
TCK
↓
TDO
1
6
7
1
5.5
6.5
ns
1
8
9
1.5
6.5
7.5
TCK
↓
A or B
3
19
21
4
17
20
ns
3.2
18
21
4
17
20
TCK
↓
TDO
1
6
7
1
5.5
6.5
ns
1.5
6
7
1.5
5.5
6.5
TCK
↓
A or B
2.6
19
21
4
18
20
ns
3.6
18
19.5
4
17
18.5
TCK
↓
TDO
1.5
1.5
7.5
7.5
9
1.5
1.5
7
7
8.5
ns
8.5
8
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