參數(shù)資料
型號： SN54LVTH18504AHV
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVT SERIES, 20-BIT BOUNDARY SCAN REG TRANSCEIVER, TRUE OUTPUT, CQFP68
封裝： CERAMIC, QFP-68
文件頁數(shù)： 22/40頁
文件大?。?/td> 594K
代理商： SN54LVTH18504AHV
SN54LVTH18504A, SN54LVTH182504A, SN74LVTH18504A, SN74LVTH182504A
3.3-V ABT SCAN TEST DEVICES
WITH 20-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS667B – JULY 1996 – REVISED JUNE 1997
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)
SN54LVTH18504A
SN74LVTH18504A
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
1.5
5.4
5.8
1.5
5.1
5.6
ns
tPHL
A or B
B or A
1.5
5.4
5.8
1.5
5.1
5.6
ns
tPLH
CLKAB
B
1.5
6.9
7.8
1.5
5.8
6.8
ns
tPHL
CLKAB
B
1.5
6.9
7.8
1.5
5.8
6.8
ns
tPLH
CLKBA
A
1.5
6.9
7.8
1.5
6.4
7.4
ns
tPHL
CLKBA
A
1.5
6.9
7.8
1.5
6.4
7.4
ns
tPLH
LEAB or LEBA
BorA
2
8.7
9.5
2
8.1
8.8
ns
tPHL
LEAB or LEBA
B or A
2
7.1
7.4
2
6.7
7.1
ns
tPZH
OEAB or OEBA
BorA
2
9.5
10.5
2
9.1
10
ns
tPZL
OEAB or OEBA
B or A
2
10
10.8
2
9.6
10.4
ns
tPHZ
OEAB or OEBA
BorA
2.5
12
12.7
2.5
10.4
11.2
ns
tPLZ
OEAB or OEBA
B or A
2.5
9.6
9.9
2.5
9.1
9.5
ns
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (test mode) (see Figure 14)
SN54LVTH18504A
SN74LVTH18504A
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
2.5
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
1.5
7
8
1.5
6.5
7.5
ns
tPZH
TCK
↓
AorB
4
18
21
4
17
20
ns
tPZL
TCK
↓
A or B
4
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
4
19
21
4
18
20
ns
tPLZ
TCK
↓
A or B
4
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
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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