SN74LV8154

Name: SN74LV8154
Brand: TI
SKU: SN74LV8154
Price: 0.471 USD

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Zweifach-Binärzähler, 16 Bit, mit Tri-State-Ausgang Registers

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Datenblatt

document-pdfAcrobat SN74LV8154 Dual 16-Bit Binary Counters With 3-State Output Registers datasheet (Rev. B) (Englisch) PDF | HTML

SN74LV8154

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Datenblatt

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Produktdetails

Function

Counter

Bits (#)

16

Technology family

LV-A

Supply voltage (min) (V)

2

Supply voltage (max) (V)

5.5

Input type

Standard CMOS

Output type

3-State

Features

Balanced outputs, High speed (tpd 10-50ns), Over-voltage tolerant inputs, Partial power down (Ioff)

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Function

Counter

Bits (#)

16

Technology family

LV-A

Supply voltage (min) (V)

2

Supply voltage (max) (V)

5.5

Input type

Standard CMOS

Output type

3-State

Features

Balanced outputs, High speed (tpd 10-50ns), Over-voltage tolerant inputs, Partial power down (Ioff)

Operating temperature range (°C)

-40 to 85

Rating

Catalog

PDIP (N)

20

228.702 mm² 24.33 x 9.4

TSSOP (PW)

20

41.6 mm² 6.5 x 6.4

Can Be Used as Two 16-Bit Counters or a Single 32-Bit Counter
8-bit counter read bus
2-V to 5.5-V V_CC Operation
Maximum t_pd of 25 ns at 5 V (RCLK to Y)
Typical V_OLP (Output Ground Bounce)
< 0.7 V at V_CC = 5 V, T_A = 25°C
Typical V_OHV (Output V_OH Undershoot)
> 4.4 V at V_CC = 5 V, T_A = 25°C
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 250 mA
Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

Can Be Used as Two 16-Bit Counters or a Single 32-Bit Counter
8-bit counter read bus
2-V to 5.5-V V_CC Operation
Maximum t_pd of 25 ns at 5 V (RCLK to Y)
Typical V_OLP (Output Ground Bounce)
< 0.7 V at V_CC = 5 V, T_A = 25°C
Typical V_OHV (Output V_OH Undershoot)
> 4.4 V at V_CC = 5 V, T_A = 25°C
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 250 mA
Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

The SN74LV8154 device is a dual 16-bit binary counter with 3-state output registers, designed for 2-V to 5.5-V V_CC operation.

The counters have dedicated clock inputs. The counters share a clocked storage register to sample and save the counter contents. Both counters share an asynchronous clear input. The 32-bit storage register can be mapped on the output bus 8-bits at a time. Four bus reads are needed to access the contents of both stored counts. The two counters can be chained by connecting CLKBEN to RCOA. All clocks are positive edge triggered. All other inputs are active low.

This device is fully specified for partial-power-down applications using I_off. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The SN74LV8154 device is a dual 16-bit binary counter with 3-state output registers, designed for 2-V to 5.5-V V_CC operation.

The counters have dedicated clock inputs. The counters share a clocked storage register to sample and save the counter contents. Both counters share an asynchronous clear input. The 32-bit storage register can be mapped on the output bus 8-bits at a time. Four bus reads are needed to access the contents of both stored counts. The two counters can be chained by connecting CLKBEN to RCOA. All clocks are positive edge triggered. All other inputs are active low.

This device is fully specified for partial-power-down applications using I_off. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

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	Typ	Titel		Datum
*	Data sheet	SN74LV8154 Dual 16-Bit Binary Counters With 3-State Output Registers datasheet (Rev. B)	PDF \| HTML	27 Apr 2020

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Gehäuse	Pins	CAD-Symbole, Footprints und 3D-Modelle
PDIP (N)	20	Ultra Librarian
TSSOP (PW)	20	Ultra Librarian

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SN74LV8154

Zweifach-Binärzähler, 16 Bit, mit Tri-State-Ausgang Registers

SN74LV8154

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