參數(shù)資料
型號: SN74ABT8952DWRE4
廠商: Texas Instruments
文件頁數(shù): 15/31頁
文件大?。?/td> 0K
描述: IC SCAN TESST DEVICE 28-SOIC
標(biāo)準(zhǔn)包裝: 1,000
系列: 74ABT
邏輯類型: 掃描測試設(shè)備,帶寄存總線收發(fā)器
電源電壓: 4.5 V ~ 5.5 V
位數(shù): 8
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC
包裝: 帶卷 (TR)
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
SN54ABT8952
SN74ABT8952
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
fmax
CLK
A or B
100
130
100
MHz
tPLH
CLKAB or CLKBA
BorA
3
4.6
5.4
3
6.5
3
6.3
ns
tPHL
CLKAB or CLKBA
B or A
2.5
3.8
4.6
2.5
5.5
2.5
5.3
ns
tPZH
OEAB or OEBA
BorA
2
4.1
4.9
2
5.9
2
5.8
ns
tPZL
OEAB or OEBA
B or A
2.5
4.7
5.5
2.5
7.1
2.5
6.9
ns
tPHZ
OEAB or OEBA
BorA
2.5
5.3
6.1
2.5
7.5
2.5
7.3
ns
tPLZ
OEAB or OEBA
B or A
3
4.5
5.3
3
6.3
3
6.1
ns
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
SN54ABT8952
SN74ABT8952
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
fmax
TCK
50
90
50
MHz
tPLH
TCK
AorB
3.5
8
9.5
3.5
12.5
3.5
12
ns
tPHL
TCK
A or B
3
7.7
9
3
12
3
11.5
ns
tPLH
TCK
TDO
2.5
4.3
5.5
2.5
7
2.5
6.5
ns
tPHL
TCK
TDO
2.5
4.2
5.5
2.5
7
2.5
6.5
ns
tPZH
TCK
AorB
4.5
8.2
9.5
4.5
12.5
4.5
12
ns
tPZL
TCK
A or B
4.5
9
10.5
4.5
13.5
4.5
13
ns
tPZH
TCK
TDO
2.5
4.3
5.5
2.5
7
2.5
6.5
ns
tPZL
TCK
TDO
2.5
4.9
6
2.5
7.5
2.5
7
ns
tPHZ
TCK
AorB
3.5
8.4
10.5
3.5
14
3.5
13.5
ns
tPLZ
TCK
A or B
3
8
10.5
3
13.5
3
13
ns
tPHZ
TCK
TDO
3
5.9
7
3
9
3
8.5
ns
tPLZ
TCK
TDO
3
5
6.5
3
8
3
7.5
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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