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參數(shù)資料
| 型號： | 74HC125 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad buffer/line driver; 3-state |
| 中文描述： | 四緩沖/線驅(qū)動器；3態(tài)； |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 42K |
| 代理商： | 74HC125 |
December 1990
2
Philips Semiconductors
Product specification
Quad buffer/line driver; 3-state
74HC/HCT125
FEATURES
Output capability: bus driver
I
CC
category: MSI
GENERAL DESCRIPTION
The 74HC/HCT125 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/HCT125 are four non-inverting buffer/line drivers with 3-state outputs. The 3-state outputs (nY) are controlled
by the output enable input (nOE). A HIGH at nOE causes the outputs to assume a HIGH impedance OFF-state.
The “125” is identical to the “126” but has active LOW enable inputs.
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
= output load capacitance in pF
V
CC
= supply voltage in V
∑
(C
L
×
V
CC2
×
f
o
) = sum of outputs
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
C
I
C
PD
propagation delay nA to nY
input capacitance
power dissipation capacitance per buffer
C
L
= 15 pF; V
CC
= 5 V
9
3.5
22
12
3.5
24
ns
pF
pF
notes 1 and 2
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PDF描述 |
|---|---|
| 74HCT126 | 8-Line To 1-Line Data Selectors/Multiplexers 16-SO -40 to 85 |
| 74HC126 | Quad buffer/line driver; 3-state |
| 74HCT1284 | 8-Line To 1-Line Data Selectors/Multiplexers 16-TSSOP -40 to 85 |
| 74HCT1284D | 8-Line To 1-Line Data Selectors/Multiplexers 16-TSSOP -40 to 85 |
| 74HCT1284DB | Parallel printer interface transceiver/buffer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC125A | 制造商:Toshiba America Electronic Components 功能描述: |
| 74HC125D | 功能描述:緩沖器和線路驅(qū)動器 QUAD 3-STATE BUS BUF RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74HC125D(BJ) | 功能描述:Buffer, Non-Inverting 4 Element 1 Bit per Element Push-Pull Output 14-SOIC 制造商:toshiba semiconductor and storage 系列:74HC 包裝:剪切帶（CT） 零件狀態(tài):在售 邏輯類型:緩沖器，非反向 元件數(shù):4 每元件位數(shù):1 輸入類型:- 輸出類型:推挽式 電流 - 輸出高，低:7.8mA，7.8mA 電壓 - 電源:2 V ~ 6 V 工作溫度:-40°C ~ 125°C（TA） 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:14-SOIC 標準包裝:1 |
| 74HC125D,652 | 功能描述:緩沖器和線路驅(qū)動器 QUAD 3-STATE BUS BUF RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74HC125D,653 | 功能描述:緩沖器和線路驅(qū)動器 QUAD BUFF/DRVR 3ST RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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