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74ACT16657DLR 数据表(PDF) 6 Page - Texas Instruments

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部件名 74ACT16657DLR
功能描述  16-BIT TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

74ACT16657DLR 数据表(HTML) 6 Page - Texas Instruments

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54ACT16657, 74ACT16657
16-BIT TRANSCEIVERS
WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS
SCAS164A – JANUARY 1991 – REVISED APRIL 1996
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
54ACT16657
74ACT16657
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
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 =24 mA
4.5 V
3.94
3.8
3.8
V
IOH = –24 mA
5.5 V
4.94
4.8
4.8
IOH = –75 mA†
5.5 V
3.85
3.85
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 =24 mA
4.5 V
0.36
0.44
0.44
V
IOL = 24 mA
5.5 V
0.36
0.44
0.44
IOL = 75 mA†
5.5 V
1.65
1.65
II
A or B ports
VI = VCC or GND
5.5 V
±0.1
±1
±1
µA
IOZ‡
Control inputs
VO = VCC or GND
5.5 V
±0.5
±5
±5
µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
80
80
µA
∆ICC§
One input at 3.4 V,
Other inputs at VCC or GND
5.5 V
0.9
1
1
mA
Ci
Control inputs
VI = VCC or GND
5 V
4.5
pF
Co
ERR
VO = VCC or GND
5 V
11
pF
Cio
A or B ports
VO = VCC or GND
5 V
12
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.
§ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
54ACT16657
74ACT16657
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
BorA
4.1
7.3
9.6
4.1
10.7
4.1
10.7
ns
tPHL
A or B
B or A
3.2
6.8
9.8
3.2
10.6
3.2
10.6
ns
tPLH
A
PARITY
4
8.6
12.9
4
14.3
4
14.3
ns
tPHL
A
PARITY
4.3
9
13.1
4.3
14.3
4.3
14.3
ns
tPLH
ODD/EVEN
PARITY ERR
3.7
8.3
12.3
3.7
13.7
3.7
13.7
ns
tPHL
ODD/EVEN
PARITY, ERR
4.1
8.8
12.8
4.1
14.1
4.1
14.1
ns
tPLH
B
ERR
3.9
8.6
13
3.9
14.6
3.9
14.6
ns
tPHL
B
ERR
4.3
9
13.3
4.3
14.7
4.3
14.7
ns
tPLH
PARITY
ERR
3.8
8.4
12.2
3.8
13.8
3.8
13.8
ns
tPHL
PARITY
ERR
4.1
8
12.8
4.1
14.2
4.1
14.2
ns
tPZH
OE
A B PARITY or ERR
2.6
6.1
10.1
2.6
11.3
2.6
11.3
ns
tPZL
OE
A, B, PARITY, or ERR
3.2
7.2
11.7
3.2
13
3.2
13
ns
tPHZ
OE
A B PARITY or ERR
5.9
8.6
10.5
5.9
11.2
5.9
11.2
ns
tPLZ
OE
A, B, PARITY, or ERR
5.3
8
9.8
5.3
10.5
5.3
10.5
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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