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54ACT16640 Datasheet(PDF) 4 Page - Texas Instruments

Part # 54ACT16640
Description  16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

54ACT16640 Datasheet(HTML) 4 Page - Texas Instruments

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54ACT16640, 74ACT16640
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS173A - JULY 1990 - REVISED APRIL 1996
4
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
54ACT16640
74ACT16640
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
Control inputs
VI = VCC or GND
5.5 V
±1
±1
±1
µA
IOZ‡
A or B ports
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
Cio
A or B ports
VO = 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.
§ 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
54ACT16640
74ACT16640
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
BorA
2.2
6
8.3
2.2
9.1
2.2
9.1
ns
tPHL
A or B
B or A
4.1
7.6
9.3
4.1
10.5
4.1
10.5
ns
tPZH
OE
AorB
2.7
6.9
8.9
2.7
9.8
2.7
9.8
ns
tPZL
OE
A or B
3.5
8.2
10.4
3.5
11.5
3.5
11.5
ns
tPHZ
OE
AorB
6.1
9.4
11.4
6.1
12.5
6.1
12.5
ns
tPLZ
OE
A or B
5.5
8.7
10.3
5.5
11
5.5
11
ns
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
C d
Power dissipation capacitance per transceiver
Outputs enabled
CL =50 pF
f=1MHz
52
pF
Cpd
Power dissipation capacitance per transceiver
Outputs disabled
CL = 50 pF,
f = 1 MHz
9
pF
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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