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參數(shù)資料
| 型號： | SN54ABT652 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器/寄存器(三態(tài)輸出)) |
| 中文描述： | 八路總線收發(fā)器和寄存器具有三態(tài)輸出（八總線收發(fā)器/寄存器（三態(tài)輸出）） |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 239K |
| 代理商： | SN54ABT652 |
SN54ABT652, SN74ABT652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS070D – JULY 1991 – REVISED JULY 1994
2–7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT652
MIN
SN74ABT652
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 48 mA
IOL = 64 mA
–1.2
–1.2
–1.2
V
VOH
2.5
2.5
2.5
V
3
3
3
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
±
1
±
100
50
II
VCC = 5.5 V,
VCC 5.5 V,
VI = VCC or GND
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V,
VCC = 5.5 V,
Control inputs
±
1
±
1
μ
A
A or B ports
±
100
50
±
100
50
IOZH
IOZL
Ioff
ICEX
IO§
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
4.5 V
VO = 5.5 V
VO = 2.5 V
μ
A
μ
A
μ
A
μ
A
mA
μ
A
mA
μ
A
–50
±
100
50
–50
–50
±
100
50
Outputs high
50
–50
–100
–180
–50
–180
–50
–180
VCC = 5.5 V,
VI= VCCor GND
VI = VCC or GND
5 5 V
IO = 0,
Outputs high
250
250
250
ICC
Outputs low
30
30
30
Outputs disabled
250
250
250
ICC
VCC = 5.5 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
One input at 3.4 V,
1.5
1.5
1.5
mA
Ci
Cio
Control inputs
7
pF
A or B ports
12
pF
* On products compliant to MIL-STD-883, Class B, this parameter does not apply.
All typical values are at VCC = 5 V.
The parameters IOZH and IOZL include the input leakage current.
§Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 2)
VCC = 5 V,
TA = 25
°
C
MIN
SN54ABT652
SN74ABT652
UNIT
MAX
MIN
MAX
MIN
MAX
fclock
tw
tsu
th
Clock frequency
0
125
0
125
0
125
MHz
Pulse duration, CLK high or low
Setup time, A or B before CLKAB
↑
or CLKBA
↑
Hold time, A or B after CLKAB
↑
or CLKBA
↑
4
4
4
ns
3.5
3.5
3.5
ns
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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