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HD74ALVCH162374 の電気的特性と機能

HD74ALVCH162374のメーカーはHitachi Semiconductorです、この部品の機能は「16-bit Edge triggered D-type Flip Flops with 3-state Outputs」です。


製品の詳細 ( Datasheet PDF )

部品番号 HD74ALVCH162374
部品説明 16-bit Edge triggered D-type Flip Flops with 3-state Outputs
メーカ Hitachi Semiconductor
ロゴ Hitachi Semiconductor ロゴ 




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HD74ALVCH162374 Datasheet, HD74ALVCH162374 PDF,ピン配置, 機能
HD74ALVCH162374
16-bit Edge triggered D-type Flip Flops with 3-state Outputs
ADE-205-180B (Z)
Preliminary
3rd. Edition
October 1997
Description
The HD74ALVCH162374 is particularly suitable for implementing buffer registers, I/O ports, bidirectional
bus drivers, and working registers. It can be used as two 8-bit flip flops or one 16-bit flip flop. On the
positive transition of the clock (CLK) input, the Q outputs of the flip flop take on the logic levels set up at
the data (D) inputs.
The output enable (OE) input can be used to place the eight outputs in either a normal logic state (high or
low logic levels) or a high impedance state. In the high impedance state, the outputs neither load nor drive
the bus lines significantly. The high impedance state and the increased drive provide the capability to drive
bus lines without need for interface or pullup components. OE does not affect internal operations of the
flip flops. Old data can be retained or new data can be entered while the outputs are in the high impedance
state.
Active bus hold circuitry is provided to hold unused or floating data inputs at a valid logic level. All
outputs, which are designed to sink up to 12 mA, include 26 resistors to reduce overshoot and
undershoot.
Features
VCC = 2.3 V to 3.6 V
Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
High output current ±12 mA (@VCC = 3.0 V)
Bus hold on data inputs eliminates the need for external pullup / pulldown resistors
All outputs have equivalent 26 series resistors, so no external resistors are required.

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HD74ALVCH162374 pdf, ピン配列
Pin Arrangement
HD74ALVCH162374
1OE 1
1Q1 2
1Q2 3
GND 4
1Q3 5
1Q4 6
VCC 7
1Q5 8
1Q6 9
GND 10
1Q7 11
1Q8 12
2Q1 13
2Q2 14
GND 15
2Q3 16
2Q4 17
VCC 18
2Q5 19
2Q6 20
GND 21
2Q7 22
2Q8 23
2OE 24
(Top view)
48 1CLK
47 1D1
46 1D2
45 GND
44 1D3
43 1D4
42 VCC
41 1D5
40 1D6
39 GND
38 1D7
37 1D8
36 2D1
35 2D2
34 GND
33 2D3
32 2D4
31 VCC
30 2D5
29 2D6
28 GND
27 2D7
26 2D8
25 2CLK
3


3Pages


HD74ALVCH162374 電子部品, 半導体
HD74ALVCH162374
Electrical Characteristics (Ta = –40 to 85°C)
Item
Input voltage
Symbol VCC (V)
VIH 2.3 to 2.7
2.7 to 3.6
Min
1.7
2.0
Max Unit Test Conditions
—V
VIL 2.3 to 2.7 —
2.7 to 3.6 —
0.7
0.8
Output voltage
VOH Min to Max VCC–0.2 —
V IOH = –100 µA
2.3 1.9 —
IOH = –4 mA, VIH = 1.7 V
2.3 1.7 —
IOH = –6 mA, VIH = 1.7 V
3.0 2.4 —
IOH = –6 mA, VIH = 2.0 V
2.7 2.0 —
IOH = –8 mA, VIH = 2.0 V
3.0 2.0 —
IOH = –12 mA, VIH = 2.0 V
VOL Min to Max —
0.2
IOL = 100 µA
2.3 — 0.4
IOL = 4 mA, VIL = 0.7 V
2.3 — 0.55
IOL = 6 mA, VIL = 0.7 V
3.0 — 0.55
IOL = 6 mA, VIL = 0.8 V
2.7 — 0.6
IOL = 8 mA, VIL = 0.8 V
3.0 — 0.8
IOL = 12 mA, VIL = 0.8 V
Input current
IIN 3.6
±5 µA VIN = VCC or GND
IIN (hold) 2.3
45 —
VIN = 0.7 V
2.3 –45 —
VIN = 1.7 V
3.0 75 —
VIN = 0.8 V
3.0 –75 —
VIN = 2.0 V
3.6 — ±500
VIN = 0 to 3.6 V *1
Off state output current IOZ
3.6
±10 µA VOUT = VCC or GND
Quiescent supply current ICC
3.6
— 40 µA VIN = VCC or GND
ICC 3.0 to 3.6 —
750 µA VIN = one input at (VCC–0.6)
V,
other inputs at VCC or GND
Note: 1. This is the bus hold maximum dynamic current required to switch the input from one state to
another.
6

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
HD74ALVCH162373

16-bit Transparent D-type Latches with 3-state Outputs

Hitachi Semiconductor
Hitachi Semiconductor
HD74ALVCH162374

16-bit Edge triggered D-type Flip Flops with 3-state Outputs

Hitachi Semiconductor
Hitachi Semiconductor


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