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參數(shù)資料
| 型號(hào)： | SN54ACT16651 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-Bit Bus Transceivers and Registers With 3-State Outputs(16位接收傳送器/寄存器(三態(tài)輸出)) |
| 中文描述： | 16位總線收發(fā)器和寄存器具有三態(tài)輸出（16位接收傳送器/寄存器（三態(tài)輸出）） |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大?。?/td> | 243K |
| 代理商： | SN54ACT16651 |
SN54ACT16651, 74ACT16651
16-BIT TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS449A – FEBRUARY 1993 – REVISED APRIL 1996
7
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
TYP
SN54ACT16651
MIN
4.4
74ACT16651
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
IOH= –50
μ
IOH = –50
A
4.5 V
V
5.5 V
5.4
5.4
5.4
IOH= –24 mA
IOH = –24 mA
4.5 V
3.94
3.7
3.8
5.5 V
4.94
4.7
4.8
IOH = –50 mA
IOH = –75 mA
5.5 V
3.85
5.5 V
3.85
VOL
IOL= 50
μ
IOL = 50
A
4.5 V
0.1
0.1
0.1
V
5.5 V
0.1
0.1
0.1
IOL= 24 mA
IOL = 24 mA
4.5 V
0.36
0.5
0.44
5.5 V
0.36
0.5
0.44
IOL = 50 mA
IOL = 75 mA
VI = VCC or GND
VO = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at VCC or GND
VI = VCC or GND
VO = VCC or GND
5.5 V
1.65
5.5 V
1.65
±
1
±
5
80
II
IOZ
ICC
Control inputs
5.5 V
±
0.1
±
0.5
±
1
μ
A
μ
A
μ
A
A or B ports
5.5 V
±
10
160
IO = 0
5.5 V
8
ICC§
5.5 V
0.9
1
1
mA
Ci
Cio
Control inputs
5 V
4
pF
A or B ports
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,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 2)
TA = 25
°
C
MIN
SN54ACT16651
MIN
74ACT16651
MIN
UNIT
MAX
MAX
MAX
fclock
tw
tsu
th
Clock frequency
0
90
0
90
0
90
MHz
Pulse duration, CLKAB or CLKBA high or low
Setup time, A before CLKAB
↑
or B before CLKBA
↑
Hold time, A after CLKAB
↑
or B after CLKBA
↑
5.5
5.5
5.5
ns
5.3
5.3
5.3
ns
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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