參數(shù)資料
型號(hào): 74AC11257PWRE4
廠商: Texas Instruments, Inc.
英文描述: QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS
中文描述: 四2線1線數(shù)據(jù)選擇器/多路轉(zhuǎn)換具有三態(tài)輸出
文件頁數(shù): 4/12頁
文件大?。?/td> 309K
代理商: 74AC11257PWRE4
SCAS049C MARCH 1989 REVISED MAY 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TA = 25
°
C
TYP
MIN
MAX
UNIT
(OUTPUT)
MIN
1.5
MAX
8.1
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
Y
5.6
1.5
8.9
ns
1.5
6.2
9
1.5
10.1
A/B
Any Y
1.5
6.1
9.2
1.5
10.2
ns
1.5
6.6
10
1.5
11.2
OE
Any Y
1.5
5.6
8.2
1.5
9.1
ns
1.5
7.5
10.4
1.5
11.8
OE
Any Y
1.5
5.6
7.6
1.5
8.3
ns
1.5
6.2
8.8
1.5
9.6
switching characteristics, over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TA = 25
°
C
TYP
MIN
MAX
UNIT
(OUTPUT)
MIN
1.5
MAX
5.8
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
Y
3.6
1.5
6.4
ns
1.5
4.1
6.5
1.5
7.2
A/B
Any Y
1.5
4
6.5
1.5
7.2
ns
1.5
4.4
7.1
1.5
7.9
OE
Any Y
1.5
3.8
5.9
1.5
6.5
ns
1.5
5
7.6
1.5
8.6
OE
Any Y
1.5
4.5
6.4
1.5
7.6
ns
1.5
4.8
6.9
1.5
7.6
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
37
UNIT
Cpd
Power dissipation capacitance
Outputs enabled
CL = 50 pF,
f = 1 MHz
pF
Outputs disabled
11
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