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參數(shù)資料
| 型號(hào)： | SN54ABT8952JT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | SCAN TEST DEVICES WITH OCTAL REGISTERED BUS TRANSCEIVERS |
| 中文描述： | 掃描測(cè)試設(shè)備與八進(jìn)制注冊(cè)總線收發(fā)器 |
| 文件頁數(shù)： | 22/24頁 |
| 文件大?。?/td> | 365K |
| 代理商： | SN54ABT8952JT |
SN54ABT8952, SN74ABT8952
SCAN TEST DEVICES WITH
OCTAL REGISTERED BUS TRANSCEIVERS
SCBS121D – AUGUST 1992 – REVISED JULY 1996
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (normal mode) (see Figure 13)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25
°
C
MIN
SN54ABT8952
SN74ABT8952
UNIT
TYP
MAX
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
CLK
A or B
100
130
100
100
MHz
CLKAB or CLKBA
B or A
3
4.6
5.4
3
6.5
3
6.3
ns
2.5
3.8
4.6
2.5
5.5
2.5
5.3
OEAB or OEBA
B or A
2
4.1
4.9
2
5.9
2
5.8
ns
2.5
4.7
5.5
2.5
7.1
2.5
6.9
OEAB or OEBA
B or A
2.5
5.3
6.1
2.5
7.5
2.5
7.3
ns
3
4.5
5.3
3
6.3
3
6.1
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (test mode) (see Figure 13)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25
°
C
MIN
SN54ABT8952
SN74ABT8952
UNIT
TYP
MAX
MIN
MAX
MIN
MAX
fmax
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
TCK
50
90
50
50
MHz
TCK
↓
A or B
3.5
8
9.5
3.5
12.5
3.5
12
ns
3
7.7
9
3
12
3
11.5
TCK
↓
TDO
2.5
4.3
5.5
2.5
7
2.5
6.5
ns
2.5
4.2
5.5
2.5
7
2.5
6.5
TCK
↓
A or B
4.5
8.2
9.5
4.5
12.5
4.5
12
ns
4.5
9
10.5
4.5
13.5
4.5
13
TCK
↓
TDO
2.5
4.3
5.5
2.5
7
2.5
6.5
ns
2.5
4.9
6
2.5
7.5
2.5
7
TCK
↓
A or B
3.5
8.4
10.5
3.5
14
3.5
13.5
ns
3
8
10.5
3
13.5
3
13
TCK
↓
TDO
3
5.9
7
3
9
3
8.5
ns
3
5
6.5
3
8
3
7.5
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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