AC CHARACTERISTICS (For Figures and Waveforms See Section 3 of the " />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� MC74AC259N
寤�(ch菐ng)鍟嗭細 ON Semiconductor
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 8/11闋�(y猫)
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC LATCH ADDRESS 8BIT 16-DIP
鐢�(ch菐n)鍝佽畩鍖栭€氬憡锛� LTB Notification 03/Jan/2008
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 25
绯诲垪锛� 74AC
閭忚集椤�(l猫i)鍨嬶細 D 鍨�锛屽彲灏嬪潃
闆昏矾锛� 1:8
杓稿嚭椤�(l猫i)鍨嬶細 妯�(bi膩o)婧�(zh菙n)
闆绘簮闆诲锛� 2 V ~ 6 V
鐛�(d煤)绔嬮浕璺細 1
寤堕伈鏅�(sh铆)闁� - 鍌宠几锛� 6.5ns
杓稿嚭闆绘祦楂橈紝浣庯細 24mA锛�24mA
宸ヤ綔婧害锛� -40°C ~ 85°C
瀹夎椤�(l猫i)鍨嬶細 閫氬瓟
灏佽/澶栨锛� 16-DIP锛�0.300"锛�7.62mm锛�
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 16-DIP
鍖呰锛� 绠′欢
MC74AC259, MC74ACT259
http://onsemi.com
6
AC CHARACTERISTICS (For Figures and Waveforms See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
VCC*
(V)
74AC
Unit
Fig.
No.
TA = +25掳C
CL = 50 pF
TA = 40掳C
to +85
掳C
CL = 50 pF
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
3.3
2.0
9.0
14.5
1.5
17.0
ns
35
Dn to Qn
5.0
2.0
6.5
10.0
1.5
11.5
tPHL
Propagation Delay
3.3
2.0
9.0
13.5
1.5
16.0
ns
35
Dn to Qn
5.0
2.0
6.0
9.5
1.5
11.0
tPLH
Propagation Delay
3.3
2.0
10.5
15.0
1.5
17.5
ns
36
E to Qn
5.0
2.0
7.0
10.5
1.5
12.5
tPHL
Propagation Delay
3.3
2.0
8.0
12.5
1.5
15.0
ns
36
E to Qn
5.0
2.0
7.5
9.0
1.5
11.0
tPLH
Propagation Delay
3.3
2.0
12.0
19.0
1.5
22.5
ns
36
Address to Qn
5.0
2.0
8.0
13.0
1.5
15.5
tPHL
Propagation Delay
3.3
2.0
10.0
16.0
1.5
19.0
ns
36
Address to Qn
5.0
2.0
7.0
11.0
1.5
13.0
tPHL
Propagation Delay
3.3
2.0
8.0
12.0
1.5
13.5
ns
37
MR to Q
5.0
2.0
6.0
9.0
1.5
10.0
*Voltage Range 3.3 V is 3.3 V
卤0.3 V.
*Voltage Range 5.0 V is 5.0 V
卤0.5 V.
AC OPERATING REQUIREMENTS
Symbol
Parameter
VCC*
(V)
74AC
Unit
Fig.
No.
TA = +25掳C
CL = 50 pF
TA = 40掳C to +85掳C
CL = 50 pF
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
3.3
3.5
4.5
ns
39
Dn to E
5.0
2.5
3.5
th
Hold Time, HIGH or LOW
3.3
2.5
ns
39
Dn to E
5.0
2.0
ts
Setup Time
3.3
7.0
9.0
ns
36
Address to E
5.0
4.0
6.0
th
Hold Time
3.3
2.0
ns
36
Address to E
5.0
2.0
tw
Minimum Pulse
3.3
6.0
6.5
ns
36
Width MR
5.0
5.5
6.0
tw
Minimum Pulse
3.3
6.5
7.0
ns
36
Width E
5.0
5.5
6.0
*Voltage Range 3.3 V is 3.3 V
卤0.3 V.
*Voltage Range 5.0 V is 5.0 V
卤0.5 V.
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鎴戠殑鑱�(li谩n)绯绘柟寮�

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