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74AC16646DLR 数据表(PDF) 7 Page - Texas Instruments

部件名 74AC16646DLR
功能描述  16-BIT BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

74AC16646DLR 数据表(HTML) 7 Page - Texas Instruments

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54AC16646, 74AC16646
16BIT BUS TRANSCEIVERS AND REGISTERS
WITH 3STATE OUTPUTS
SCAS241A − MARCH 1990 − REVISED APRIL 1996
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
54AC16646
74AC16646
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
3 V
2.9
2.9
2.9
IOH = −50 µA
4.5 V
4.4
4.4
4.4
IOH = −50 µA
5.5 V
5.4
5.4
5.4
VOH
IOH = −4 mA
3 V
2.58
2.4
2.48
V
VOH
4.5 V
3.94
3.7
3.8
V
5.5 V
4.94
4.7
4.8
IOH = −50 mA†
5.5 V
3.85
IOH = −75 mA†
5.5 V
3.85
3 V
0.1
0.1
0.1
IOL = 50 µA
4.5 V
0.1
0.1
0.1
IOL = 50 µA
5.5 V
0.1
0.1
0.1
VOL
IOL = 12 mA
3 V
0.36
0.5
0.44
V
VOL
4.5 V
0.36
0.5
0.44
V
5.5 V
0.36
0.5
0.44
IOL = 50 mA†
5.5 V
1.65
IOL = 75 mA†
5.5 V
1.65
II
VI = VCC or GND
5.5 V
±0.1
±1
±1
µA
IOZ‡
VI = VCC or GND
5.5 V
±0.5
±10
±5
µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
160
80
µA
Ci
VI = VCC or GND
5 V
4.5
pF
Co
VI = VCC or GND
5 V
16
pF
† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
‡ For I/O ports, the parameter IOZ includes the input leakage current.
timing requirements over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 2)
TA = 25°C
54AC16646
74AC16646
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
65
0
65
0
65
MHz
tw
Pulse duration, CLKAB or CLKBA high or low
7
7
7
ns
tsu
Setup time, A before CLKAB
↑ or B before CLKBA↑
6.5
6.5
6.5
ns
th
Hold time, A after CLKAB
↑ or B after CLKBA↑
1
1
1
ns
timing requirements over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
TA = 25°C
54AC16646
74AC16646
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
75
0
75
0
75
MHz
tw
Pulse duration, CLKAB or CLKBA high or low
6.5
6.5
6.5
ns
tsu
Setup time, A before CLKAB
↑ or B before CLKBA↑
5
5
5
ns
th
Hold time, A after CLKAB
↑ or B after CLKBA↑
1
1
1
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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