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參數(shù)資料
| 型號(hào)： | HEF4060BT,652 |
| 廠(chǎng)商： | NXP Semiconductors |
| 文件頁(yè)數(shù)： | 6/7頁(yè) |
| 文件大小： | 0K |
| 描述： | IC COUNTER 14STAGE BINARY 16SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Logic Packages |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | 4000B |
| 邏輯類(lèi)型： | 二進(jìn)制計(jì)數(shù)器 |
| 方向： | 上 |
| 元件數(shù)： | 1 |
| 每個(gè)元件的位元數(shù)： | 14 |
| 復(fù)位： | 異步 |
| 計(jì)數(shù)速率： | 30MHz |
| 觸發(fā)器類(lèi)型： | 負(fù)邊沿 |
| 電源電壓： | 2 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SO |
| 包裝： | 管件 |
January 1995
6
Philips Semiconductors
Product specication
14-stage ripple-carry binary counter/divider
and oscillator
HEF4060B
MSI
Timing component limitations
The oscillator frequency is mainly determined by
RtCt, provided Rt << R2 and R2C2 << RtCt. The function
of R2 is to minimize the influence of the forward voltage
across the input protection diodes on the frequency. The
stray capacitance C2 should be kept as small as possible.
In consideration of accuracy, Ct must be larger than the
inherent stray capacitance. Rt must be larger than the
LOCMOS ‘ON’ resistance in series with it, which typically
is 500
at VDD = 5 V, 300 at VDD = 10 V and 200 at
VDD = 15 V.
The recommended values for these components to
maintain agreement with the typical oscillation formula are:
Ct ≥ 100 pF, up to any practical value,
10 k
≤ Rt ≤ 1 M.
Typical crystal oscillator circuit
In Fig.5, R2 is the power limiting resistor. For starting and
maintaining oscillation a minimum transconductance is
necessary.
Fig.5
External component connection for crystal
oscillator.
Fig.6
Test set-up for measuring forward transconductance gfs =dio/dvi at vo is constant (see also graph Fig.7);
MR = LOW.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HEF4060BTD | 功能描述:計(jì)數(shù)器 IC 14ST BIN COUNTER/DIV RIPPLE-CARRY W/OSC RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類(lèi)型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| HEF4060BTD-T | 制造商:NXP Semiconductors 功能描述:Counter/Divider Single 14-Bit Binary UP 16-Pin SO T/R |
| HEF4060BT-Q100J | 制造商:NXP Semiconductors 功能描述:HEF4060BT-Q100/SO16/REEL13// - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC COUNTER/DIVIDER OSC 16SOIC |
| HEF4066B | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Quad single-pole single-throw analog switch |
| HEF4066BD | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Quadruple bilateral switches |
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