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參數(shù)資料
| 型號(hào)： | 74FR2244SJ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Buffer/Line Driver with 25ヘ Series Resistors in the Outputs |
| 中文描述： | FR/FASTR SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-20 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大小： | 52K |
| 代理商： | 74FR2244SJ |
3
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7
AC Electrical Characteristics
Extended AC Electrical Characteristics
Note 3:
This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase,
i.e., all LOW-to-HIGH, HIGH-to-LOW, 3-STATE-to-HIGH, etc.
Note 4:
These specifications guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load
capacitors in the standard AC load. This specification pertains to single output switching only.
Note 5:
Skew is defined as the absolute value of the difference between the actual propagation delays for any two outputs of the same device. The specifi-
cation applies to any outputs switching HIGH-to-LOW, (t
OSHL
), LOW-to-HIGH, (t
OSLH
), or HIGH-to-LOW and/or LOW-to-HIGH, (t
OST
). Specifications guaran-
teed with all outputs switching in phase.
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Typ
2.6
1.8
4.8
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Min
1.0
1.0
2.5
Units
Min
1.0
1.0
2.5
Max
4.4
4.4
7.1
Max
4.4
4.4
7.1
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
ns
Output Enable Time
ns
2.5
1.6
1.6
3.9
3.7
3.6
7.1
6.4
6.4
2.5
1.6
1.6
7.1
6.4
6.4
Output Disable Time
ns
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Eight Outputs Switching
(Note 3)
Min
1.0
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
C
L
=
250 pF
(Note 4)
Symbol
Parameter
Units
Max
5.9
Min
2.7
Max
9.7
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
OSHL
Propagation Delay
ns
1.0
2.5
2.5
5.9
8.0
8.0
2.7
9.7
Output Enable Time
ns
Output Disable Time
1.6
1.6
7.0
7.0
ns
Pin-to-Pin Skew
1.5
ns
for HL Transitions (Note 5)
Pin-to-Pin Skew
for LH Transitions (Note 5)
t
OSLH
1.5
ns
t
OST
Pin-to-Pin Skew
for HL/LH Transitions (Note 5)
3.0
ns
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 74FR2244SJX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 4-Bit Non-Inverting Buffer/Driver |
| 74FR2245 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Bidirectional Transceiver with 3-STATE Outputs |
| 74FR2245SC | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Bidirectional Transceiver with 3-STATE Outputs |
| 74FR2245SCX | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74FR240 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Buffer/Line Driver with 3-STATE Outputs |
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