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74ABT646CSC bảng dữ liệu(PDF) 5 Page - Fairchild Semiconductor

tên linh kiện 74ABT646CSC
Giải thích chi tiết về linh kiện  Octal Transceivers and Registers with 3-STATE Outputs
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nhà sản xuất  FAIRCHILD [Fairchild Semiconductor]
Trang chủ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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DC Electrical Characteristics
Note 6: Max number of outputs defined as (n). n
− 1 data inputs are driven 0V to 3V. One output at LOW. Guaranteed, but not tested.
Note 7: Max number of outputs defined as (n). n
− 1 data inputs are driven 0V to 3V. One output HIGH. Guaranteed, but not tested.
Note 8: Max number of data inputs (n) switching. n
− 1 inputs switching 0V to 3V. Input-under-test switching: 3V to threshold (V
ILD), 0V to threshold (VIHD).
Guaranteed, but not tested.
AC Electrical Characteristics
(SOIC and SSOP package)
AC Operating Requirements
Symbol
Parameter
Min
Typ
Max
Units
VCC
Conditions
CL = 50 pF, RL = 500Ω
VOLP
Quiet Output Maximum Dynamic VOL
0.6
0.8
V
5.0
TA = 25°C (Note 6)
VOLV
Quiet Output Minimum Dynamic VOL
−1.2
−0.9
V
5.0
TA = 25°C (Note 6)
VOHV
Minimum HIGH Level Dynamic Output Voltage
2.5
3.0
V
5.0
TA = 25° (Note 7)
VIHD
Minimum HIGH Level Dynamic Input Voltage
2.2
1.8
V
5.0
TA = 25°C (Note 8)
VILD
Maximum LOW Level Dynamic Input Voltage
0.8
0.5
V
5.0
TA = 25°C (Note 8)
Symbol
Parameter
TA = +25°C
TA = −55°C to +125°C
TA = −40°C to +85°C
Units
VCC = +5.0V
VCC = 4.5V–5.5V
VCC = 4.5V–5.5V
CL = 50 pF
CL = 50 pF
CL = 50 pF
Min
Typ
Max
Min
Max
Min
Max
fMAX
Maximum Clock Frequency
200
200
200
MHz
tPLH
Propagation Delay
1.7
3.0
5.6
2.2
8.8
1.7
5.6
ns
tPHL
Clock to Bus
1.7
3.4
5.6
1.7
8.8
1.7
5.6
tPLH
Propagation Delay
1.5
2.6
4.8
1.5
7.9
1.5
4.8
ns
tPHL
Bus to Bus
1.5
3.0
4.8
1.5
7.9
1.5
4.8
tPLH
Propagation Delay
1.5
3.0
5.9
1.5
8.1
1.5
5.9
ns
tPHL
SBA or SAB to An to Bn
1.5
3.4
5.9
1.5
8.9
1.5
5.9
tPZH
Enable Time
1.5
3.2
6.3
1.0
7.3
1.5
6.3
ns
tPZL
OE to Anor Bn
1.5
3.5
6.3
1.9
8.8
1.5
6.3
tPHZ
Disable Time
1.5
3.7
6.0
1.5
9.3
1.5
6.0
ns
tPLZ
OE to Anor Bn
1.5
3.2
6.0
1.5
9.3
1.5
6.0
tPZH
Enable Time
1.5
3.4
6.3
1.0
7.7
1.5
6.3
ns
tPZL
DIR to An or B n
1.5
3.7
6.3
2.2
9.5
1.5
6.3
tPHZ
Disable Time
1.5
3.8
6.0
1.5
8.7
1.5
6.0
ns
tPLZ
DIR to An or B n
1.5
3.2
6.0
1.5
9.2
1.5
6.0
Symbol
Parameter
TA = +25°C
TA = −55°C to +125°C
TA = −40°C to +85°C
Units
VCC = +5.0V
VCC = 4.5V–5.5V
VCC = 4.5V–5.5V
CL = 50 pF
CL = 50 pF
CL = 50 pF
Min
Max
Min
Max
Min
Max
tS(H)
Setup Time, HIGH
1.5
1.5
3.0
1.5
ns
tS(L)
or LOW Bus to Clock
tH(H)
Hold Time, HIGH
1.0
1.0
1.0
1.0
ns
tH(L)
or LOW Bus to Clock
tW(H)
Pulse Width,
3.0
3.0
4.0
3.0
ns
tW(L)
HIGH or LOW


Số phần tương tự - 74ABT646CSC

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