參數(shù)資料
型號(hào)： 74HCT173
廠商： NXP Semiconductors N.V.
英文描述： Quad D-type flip-flop; positive-edge trigger; 3-state(四D觸發(fā)器；上升沿觸發(fā)；三態(tài))
中文描述： 四D型觸發(fā)器;陽(yáng)性沿觸發(fā)，3態(tài)（四?觸發(fā)器，上升沿觸發(fā)，三態(tài)）
文件頁(yè)數(shù)： 2/10頁(yè)
文件大小： 69K
代理商： 74HCT173
December 1990
2
Philips Semiconductors
Product specification
Quad D-type flip-flop; positive-edge trigger; 3-state
74HC/HCT173
FEATURES
Gated input enable for hold (do nothing) mode
Gated output enable control
Edge-triggered D-type register
Asynchronous master reset
Output capability: bus driver
I
CC
category: MSI
GENERAL DESCRIPTION
The 74HC/HCT173 are high-speed Si-gate CMOS devices
and are pin compatible with low power Schottky TTL
(LSTTL). They are specified in compliance with JEDEC
standard no. 7A.
The 74HC/HCT173 are 4-bit parallel load registers with
clock enable control, 3-state buffered outputs (Q
0
to Q
3
)
and master reset (MR).
When the two data enable inputs (E
1
and E
2
) are LOW, the
data on the D
n
inputs is loaded into the register
synchronously with the LOW-to-HIGH clock (CP)
transition. When one or both E
n
inputs are HIGH one
set-up time prior to the LOW-to-HIGH clock transition, the
register will retain the previous data. Data inputs and clock
enable inputs are fully edge-triggered and must be stable
only one set-up time prior to the LOW-to-HIGH clock
transition.
The master reset input (MR) is an active HIGH
asynchronous input. When MR is HIGH, all four flip-flops
are reset (cleared) independently of any other input
condition.
The 3-state output buffers are controlled by a 2-input NOR
gate. When both output enable inputs (OE
1
and OE
2
) are
LOW, the data in the register is presented to the Q
n
outputs. When one or both OE
n
inputs are HIGH, the
outputs are forced to a high impedance OFF-state. The
3-state output buffers are completely independent of the
register operation; the OE
n
transition does not affect the
clock and reset operations.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
= 6 ns
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W):
P
D
= C
PD
×
V
CC2
×
f
i
+ ∑
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz
f
o
= output frequency in MHz
∑
(C
L
×
V
CC2
×
f
o
) = sum of outputs
C
L
= output load capacitance in pF
V
CC
= supply voltage in V
For HC the condition is V
I
= GND to V
CC
For HCT the condition is V
I
= GND to V
CC
1.5 V
2.
ORDERING INFORMATION
See
“74HC/HCT/HCU/HCMOS Logic Package Information”
.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
t
PHL
/ t
PLH
propagation delay
CP to Q
n
MR to Q
n
maximum clock frequency
input capacitance
power dissipation
capacitance per flip-flop
C
L
= 15 pF; V
CC
= 5 V
17
13
88
3.5
20
17
17
88
3.5
20
ns
ns
MHz
pF
pF
f
max
C
I
C
PD
notes 1 and 2
相關(guān)PDF資料
PDF描述
74173 Quad D-type flip-flop; positive-edge trigger; 3-state
74HC173 Quad D-type flip-flop; positive-edge trigger; 3-state
74173 4-bit D-type Register (with 3-state Outputs)
74173 Quad 3-State D Flip-Flop with Common Clock and Reset
74HCT175 Quad D-type flip-flop with reset;positive-edge trigger(帶復(fù)位的四D觸發(fā)器；上升沿觸發(fā)；)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HCT173D 功能描述:觸發(fā)器 QUAD D F/F 3-STATE RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74HCT173D,652 功能描述:觸發(fā)器 QUAD D F/F 3-STATE RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74HCT173D,653 功能描述:觸發(fā)器 QUAD D-TYPE 3-STATE RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
74HCT173D/C,118 制造商:NXP Semiconductors 功能描述:PHA74HCT173D/C,118 LOGIC SHIFT REGISTER
74HCT173DB 功能描述:觸發(fā)器 QUAD D-TYPE 3-STATE RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時(shí)間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*