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54ACT16952 Datasheet(PDF) 6 Page - Texas Instruments

Part No. 54ACT16952
Description  16-BIT REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
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54ACT16952 Datasheet(HTML) 6 Page - Texas Instruments

   
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54ACT16952, 74ACT16952
16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS159C – 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
54ACT16952
74ACT16952
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
VOH
IOH = –24 mA
5.5 V
4.94
4.8
4.8
V
IOH = –50 mA†
5.5 V
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
VOL
IOL = 24 mA
5.5 V
0.36
0.44
0.44
V
IOL = 50 mA†
5.5 V
IOL = 75 mA†
5.5 V
1.65
1.65
II
Control inputs
VI = VCC or GND
5.5 V
±0.1
±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
3
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.
timing requirements over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted)
TA = 25°C
54ACT16952
74ACT16952
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
75
0
75
0
75
MHz
tw
Pulse duration, CLK high or low
6.7
6.7
6.7
ns
t
Set p time before CLK
Data
5
5
5
ns
tsu
Setup time before CLK
CEAB or CEBA
6.5
6.5
6.5
ns
th
Hold time after CLK
Data
1
1
1
ns
th
Hold time after CLK
CEAB or CEBA
0
0
0
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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