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| 型号： | SN54LVTH182652A |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 3.3-V ABT Scan Test Device With 18-Bit Transceivers and Registers(3.3V ABT 扫描检测装置(18位收发器和寄存器)) |
| 中文描述： | 的3.3V ABT生根粉扫描测试设备与18位收发器和寄存器（3.3 ABT生根粉扫描检测装置（18位收发器和寄存器）） |
| 文件页数： | 34/36页 |
| 文件大小： | 833K |
| 代理商： | SN54LVTH182652A |
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SN54LVTH18652A, SN54LVTH182652A, SN74LVTH18652A, SN74LVTH182652A
3.3-V ABT SCAN TEST DEVICES
WITH 18-BIT TRANSCEIVERS AND REGISTERS
SCBS312C – MARCH 1994 – REVISED JUNE 1997
34
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (normal mode) (see Figure 15)
1
PARAMETER
FROM
(INPUT)
TO
SN54LVTH182652A
VCC = 3.3 V
±
0.3 V
SN74LVTH182652A
VCC = 3.3 V
±
0.3 V
UNIT
(OUTPUT)
VCC = 2.7 V
VCC = 2.7 V
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
CLKAB or CLKBA
120
100
120
100
MHz
B
A
1.5
5
5.4
1.5
4.7
5.2
ns
1.5
5
5.4
1.5
4.7
5.2
A
B
1.5
5.9
6.5
1.5
5.6
6.2
ns
1.5
5.9
6.5
1.5
5.6
6.2
CLKBA
A
1.5
6.9
7.5
1.5
6.5
7.1
ns
1.5
6.9
7.5
1.5
6.5
7.1
CLKAB
B
1.5
7.8
8.7
1.5
7.3
8.2
ns
1.5
7.8
8.7
1.5
7.3
8.2
SBA
A
1.5
7.9
8.7
1.5
7.5
8.4
ns
1.5
7.9
8.7
1.5
7.5
8.4
SAB
B
1.5
8.5
9.2
1.5
8
8.8
ns
1.5
8.5
9.2
1.5
8
8.8
OEAB or OEBA
B or A
1.5
7.9
8.6
1.5
7.4
8.1
ns
1.5
7.9
8.6
1.5
7.4
8.1
OEAB or OEBA
B or A
2
2
8.8
7.6
9.5
8.4
2
2
8.3
9
ns
7
7.7
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (test mode) (see Figure 15)
PARAMETER
FROM
(INPUT)
TO
SN54LVTH182652A
SN74LVTH182652A
UNIT
(OUTPUT)
VCC = 3.3 V
±
0.3 V
VCC = 2.7 V
VCC = 3.3 V
±
0.3 V
VCC = 2.7 V
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
2.5
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
1.5
7
8
1.5
6.5
7.5
TCK
↓
A or B
4
18
21
4
17
20
ns
4
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
4
19
21
4
18
20
ns
4
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
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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