參數(shù)資料
型號： SN54LVTH182502AHV
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVT SERIES, DUAL 9-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, CQFP68
封裝： CERAMIC, QFP-68
文件頁數(shù)： 22/38頁
文件大小： 556K
代理商： SN54LVTH182502AHV
SN54LVTH18502A, SN54LVTH182502A, SN74LVTH18502A, SN74LVTH182502A
3.3-V ABT SCAN TEST DEVICES
WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS668B – JULY 1996 – REVISED MARCH 1999
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
SN74LVTH18502A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
fmax
CLKAB or CLKBA
100
80
100
80
MHz
tPLH
AorB
BorA
1.1
5.1
5.8
1.5
4.9
5.6
ns
tPHL
A or B
B or A
1.3
5.2
5.8
1.5
4.9
5.6
ns
tPLH
CLKAB or CLKBA
BorA
1.1
6.7
7.2
1.5
5.8
6.8
ns
tPHL
CLKAB or CLKBA
B or A
1.5
6.7
7.2
1.5
5.8
6.8
ns
tPLH
LEAB or LEBA
BorA
1.5
7.8
9.3
1.5
7.4
8.4
ns
tPHL
LEAB or LEBA
B or A
1.3
6.7
7
1.5
5.7
6.4
ns
tPZH
OEAB or OEBA
BorA
1
8.2
8.8
1.5
7.1
8.3
ns
tPZL
OEAB or OEBA
B or A
1.5
8.1
9.1
1.5
7.1
8.3
ns
tPHZ
OEAB or OEBA
BorA
2.3
9.3
10
2.5
7.8
8.4
ns
tPLZ
OEAB or OEBA
B or A
2
9
9.2
2.5
7.8
8.4
ns
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (test mode) (see Figure 14)
SN54LVTH18502A
SN74LVTH18502A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
fmax
TCK
50
40
50
40
MHz
tPLH
TCK
↓
AorB
1.6
15
18
2.5
14
17
ns
tPHL
TCK
↓
A or B
2.5
15
18
2.5
14
17
ns
tPLH
TCK
↓
TDO
1
6
7
1
5.5
6.5
ns
tPHL
TCK
↓
TDO
1
8
9
1.5
6.5
7.5
ns
tPZH
TCK
↓
AorB
3
19
21
4
17
20
ns
tPZL
TCK
↓
A or B
3.2
18
21
4
17
20
ns
tPZH
TCK
↓
TDO
1
6
7
1
5.5
6.5
ns
tPZL
TCK
↓
TDO
1.5
6
7
1.5
5.5
6.5
ns
tPHZ
TCK
↓
AorB
2.6
19
21
4
18
20
ns
tPLZ
TCK
↓
A or B
3.6
18
19.5
4
17
18.5
ns
tPHZ
TCK
↓
TDO
1.5
7.5
9
1.5
7
8.5
ns
tPLZ
TCK
↓
TDO
1.5
7.5
8.5
1.5
7
8
ns
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