SN74LS628D

Mfr. #:: SN74LS628D
Description:: VCO Oscillators Voltage-Controlled Oscillator
Lifecycle:: New from this manufacturer.
Datasheet:: SN74LS628D Datasheet
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More Information:: SN74LS628D more Information SN74LS628D Product Details

Product Attribute
Attribute Value

Manufacturer:: Texas Instruments

Product Category:: VCO Oscillators

RoHS:: Y

Package / Case:: SOIC-14

Frequency:: 1.1 MHz to 25 MHz

Load Capacitance:: 45 pF

Operating Supply Voltage:: 5 V

Supply Voltage - Min:: 4.75 V

Supply Voltage - Max:: 5.25 V

Minimum Operating Temperature:: 0 C

Maximum Operating Temperature:: + 70 C

Series:: SN74LS628

Packaging:: Tube

Type:: Voltage Controlled Crystal Oscillator (VCXO)

Brand:: Texas Instruments

Duty Cycle - Max:: 50 %

Mounting Style:: SMD/SMT

Product Type:: VCO Oscillators

Factory Pack Quantity:: 50

Subcategory:: Oscillators

Unit Weight:: 0.004586 oz

Tags: SN74LS628D, SN74LS628, SN74LS62, SN74LS6, SN74LS, SN74L, SN74, SN7

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SN74LS628D Description

***ical: Oscillator VCO 1.1MHz to 25MHz 45pF Squarewave 50% 5V 14-Pin SOIC SMD Tube

***ark: Phase Lock Loop (PLL) Logic IC; No. of Pins:14; Operating Temperature Range:0°C to +70°C; Leaded Process Compatible:Yes; Package/Case:14-SOIC; Peak Reflow Compatible (260 C):Yes; Logic Family:LS ;RoHS Compliant: Yes

***ment14 APAC: LOGIC, VOLT-CONTROLLED OSC, 14SOIC; Logic Type:Voltage Controlled Oscillator; Logic Case Style:SOIC; No. of Pins:14; Supply Voltage Range:4.75V to 5.25V; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Logic Function Number:74628; Logic IC Base Number:74628; Logic IC Family:LS; Logic IC Function:Voltage Controlled Oscillator; No. of Channels:2; Package / Case:SOIC; Supply Voltage Max:5.25V; Supply Voltage Min:4.75V; Termination Type:SMD

***: These voltage-controlled oscillators (VCOs) are improved versions of the original VCO family: SN54LS124, SN54LS324 thru SN54LS327, SN74LS124, and SN74LS324 thru SN74LS327. These new devices feature improved voltage-to-frequency linearity, range, and compensation. With the exception of the 'LS624 and 'LS628, all of these devices feature two independent VCOs in a single monolithic chip. The 'LS624, 'LS625, 'LS626, and 'LS628 have complementary Z outputs. The output frequency for each VCO is established by a single external component (either a capacitor or crystal) in combination with voltage-sensitive inputs used for frequency control and frequency range. Each device has a voltage-sensitive input for frequency control; however, the 'LS624, 'LS628, and 'LS629 devices also have one for frequency range. (See Figures 1 thru 6).

***ASIN: The 'LS628 offers more precise temperature compensation than its 'LS624 counterpart. The 'LS624 features a 600 ohm internal timing resistor. The 'LS628 requires a timing resistor to be connected externally across Rext pins. Temperature compensation will be improved due to the temperature coefficient of the external resistor.

***AS INS: Figure 3 and Figure 6 contain the necessary information to choose the proper capacitor value to obtain the desired operating frequency.

***TEXAS: A single 5-volt supply can be used: however, one set of supply voltage and ground pins (VCC and GND) is provided for the enable, synchronization-gating, and output sections, and a separate set (OSC VCC and OSC GND) is provided for the oscillator and associated frequency-control circuits so that effective isolation can be accomplished in the system. For operation of frequencies greater than 10 MHz, it is recommended that two independent supplies be used. Disabling either VCO of the 'LS625 and 'LS625 and 'LS627 can be achieved by removing the appropriate OSC VCC. An enable input is provided on the 'LS624, 'LS626, 'LS628, and 'LS629. When the enable input is low, the output is enabled: when the enable input is high, the internal oscillator is disabled, Y is high, and Z is low. Caution! Crosstalk may occur in the dual devices ('LS625, 'LS626, 'LS627 and 'LS629) when both VCOs are operated simultaneously. To minimize crosstalk, either of the following are recommended: (A) If frequencies are widely separated, use a 10-μh inductor between VCC pins. (B) If frequencies are closely spaced, use two separate VCC supplies or place two series diodes between the VCC pins.

***AS INSTRUM: The pulse-synchronization-gating section ensures that the first output pulse is neither clipped nor extended. The duty cycle of the square-wave output is fixed at approximately 50 percent.

***AS INSTRUMENT: The SN54LS624 thru SN54LS629 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS624 thru SN74LS629 are characterized for operation from 0°C to 70°C.

***AS INSTRUM

Market price

Part #	Description	Stock	Price
SN74LS628DR DISTI # 296-37424-1-ND	IC OSC VCO 20MHZ 14-SOIC RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	3144In Stock	1000:$1.8659 500:$2.2125 100:$2.5990 10:$3.1720 1:$3.5300
SN74LS628DR DISTI # 296-37424-6-ND	IC OSC VCO 20MHZ 14-SOIC RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	3144In Stock	1000:$1.8659 500:$2.2125 100:$2.5990 10:$3.1720 1:$3.5300
SN74LS628D DISTI # 296-34013-5-ND	IC OSC VCO 20MHZ 14-SOIC RoHS: Compliant Min Qty: 200 Container: Tube	Temporarily Out of Stock	200:$3.0284
SN74LS628DR DISTI # 296-37424-2-ND	IC OSC VCO 20MHZ 14-SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	Temporarily Out of Stock	5000:$1.6563 2500:$1.7210
SN74LS628D DISTI # SN74LS628D	Controlled Oscillator 1.1MHz to 25MHz VCXO Squarewave 14-Pin SOIC Tube - Rail/Tube (Alt: SN74LS628D) RoHS: Compliant Min Qty: 200 Container: Tube	Americas - 0	200:$2.1900 300:$2.0900 500:$1.9900 1000:$1.9900 2000:$1.8900
SN74LS628DR DISTI # SN74LS628DR	Controlled Oscillator 1.1MHz to 25MHz VCXO Squarewave 14-Pin SOIC T/R - Tape and Reel (Alt: SN74LS628DR) RoHS: Compliant Min Qty: 2500 Container: Reel	Americas - 0	2500:$1.7900 5000:$1.6900 10000:$1.6900 15000:$1.5900 25000:$1.5900
SN74LS628DR	Voltage-controlled oscillator	5000	1000:$1.4700 750:$1.5400 500:$1.8300 250:$2.1500 100:$2.2900 25:$2.6100 10:$2.8100 1:$3.1200
SN74LS628DR DISTI # 595-SN74LS628DR	VCO Oscillators Voltage-Controlled Oscillator RoHS: Compliant	373	1:$3.4300 10:$3.0800 100:$2.5200 250:$2.3600 500:$2.1400 1000:$1.8100 2500:$1.7200
SN74LS628D DISTI # 595-SN74LS628D	VCO Oscillators Voltage-Controlled Oscillator RoHS: Compliant	200	1:$4.1100 10:$3.7000 100:$3.0200 250:$2.8400 500:$2.5700 1000:$2.1700 2500:$2.0600
SN74LS628DRG4 DISTI # 595-SN74LS628DRG4	VCO Oscillators Vltg controlled oscillator RoHS: Compliant	0
SN74LS628DG4 DISTI # 595-SN74LS628DG4	VCO Oscillators Vltg controlled oscillator RoHS: Compliant	0
SN74LS628DE4 DISTI # 595-SN74LS628DE4	VCO Oscillators Voltage-Controlled Oscillator RoHS: Compliant	0
SN74LS628DRE4 DISTI # 595-SN74LS628DRE4	VCO Oscillators Voltage-Controlled Oscillator RoHS: Compliant	0
SN74LS628D	Logic Circuit, TTL, PDSO14 RoHS: Compliant	12664	1000:$2.0400 500:$2.1500 100:$2.2400 25:$2.3300 1:$2.5100
SN74LS628D		2475
SN74LS628D	INSTOCK	100

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SN74LS628D

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes