參數(shù)資料
型號: HCT259
廠商: NXP Semiconductors N.V.
英文描述: Zener Diode; Zener Voltage Typ, Vz:2.7V; Vz Test Current, Izt:20mA; Power Dissipation, Pd:500mW; Package/Case:DO-35; Breakdown Voltage Max:2.7V; Forward Current:200A; Leakage Current Max:100uA; Mounting Type:Through Hole
中文描述: 8位可尋址鎖存器
文件頁數(shù): 5/20頁
文件大?。?/td> 95K
代理商: HCT259
2000 Mar 14
5
Philips Semiconductors
Product specification
8-bit addressable latch
74AHC259;
74AHCT259
PINNING
PIN
SYMBOL
DESCRIPTION
1, 2 and 3
4, 5, 6, 7, 9, 10, 11 and 12
8
13
14
15
16
A0, A1 and A2
Q0 to Q7
GND
D
LE
MR
V
CC
address input
latch outputs
ground (0 V)
data input
latch enable input (active LOW)
conditional reset input (active LOW)
DC supply voltage
handbook, halfpage
A0
A1
A2
Q0
Q1
Q2
Q3
GND
VCC
MR
LE
D
Q6
Q5
Q7
Q4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
259
MNA574
Fig.1 Pin configuration.
handbook, halfpage
MNA573
D
A0
A1
A2
MR
LE
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
14
15
12
11
10
9
7
6
5
4
3
2
1
13
Fig.2 Logic symbol.
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