参数资料
型号: SN74ABT8952DWRE4
厂商: Texas Instruments
文件页数: 15/31页
文件大小: 0K
描述: IC SCAN TESST DEVICE 28-SOIC
标准包装: 1,000
系列: 74ABT
逻辑类型: 扫描测试设备,带寄存总线收发器
电源电压: 4.5 V ~ 5.5 V
位数: 8
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC
包装: 带卷 (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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