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參數(shù)資料
型號(hào): MC74AC521DW
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: 8-BIT IDENTITY COMPARATOR
中文描述: AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20
封裝: PLASTIC, SOIC-20
文件頁數(shù): 5/6頁
文件大小: 180K
代理商: MC74AC521DW
MC74AC521 MC74ACT521
5-5
FACT DATA
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74ACT
74ACT
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
An or Bn to OA=B
Propagation Delay
An or Bn to OA=B
Propagation Delay
IA=B to OA=B
Propagation Delay
IA=B to OA=B
5.0
3.0
9.0
2.5
9.5
ns
3-6
tPHL
5.0
3.0
10
2.5
11
ns
3-6
tPLH
5.0
2.0
6.5
2.0
7.0
ns
3-6
tPHL
5.0
2.5
7.5
2.0
8.0
ns
3-6
* Voltage Range 5.0 V is 5.0 V
±
0.5 V.
CAPACITANCE
Symbol
Parameter
Value
Typ
Unit
Test Conditions
CIN
Input Capacitance
4.5
pF
VCC = 5.0 V
CPD
Power Dissipation Capacitance
40
pF
VCC = 5.0 V
........
........
APPLICATIONS
RIPPLE EXPANSION
IA=B
A0
B0
A7B7
OA=B
ENABLE
LOW
IA=B
A8
B8
A15B15
OA=B
IA=B
A16B16
A23B23
OA=B
PARALLEL EXPANSION
IA=B
A0
B0
A7B7
OA=B
ENABLE
LOW
IA=B
A8
B8
A15B15
OA=B
IA=B
A16B16
A23B23
OA=B
........
........
........
........
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