sky130_ef_ip__rdac3v_8bit.md

sky130_ef_ip__rdac3v_8bit

• Description: 8-bit DAC with 3.3V supply and enable input
• Commit: N/A
• PDK: sky130A

Authorship

• Designer: Tim Edwards
• Company: Efabless Corporation
• Created: November 21, 2023
• License: Apache 2.0
• Last modified: None

Pins

• b7:0
  • Description: Digital input (8 bits)
  • Type: digital
  • Direction: input
  • Vmin: vss - 0.3
  • Vmax: dvdd + 0.3
• ena
  • Description: Enable input (active low)
  • Type: digital
  • Direction: input
  • Vmin: vss - 0.3
  • Vmax: dvdd + 0.3
• Vhigh
  • Description: Reference high voltage
  • Type: signal
  • Direction: input
  • Vmin: Vlow
  • Vmax: vdd
• Vlow
  • Description: Reference low voltage
  • Type: signal
  • Direction: input
  • Vmin: vss
  • Vmax: Vhigh
• out
  • Description: DAC voltage output
  • Type: signal
  • Direction: output
  • Vmin: Vlow
  • Vmax: Vhigh
• dvdd
  • Description: Positive digital power supply
  • Type: power
  • Direction: inout
  • Vmin: 1.5
  • Vmax: 2.1
• dvss
  • Description: Digital ground
  • Type: ground
  • Direction: inout
  • Vmin: -0.3
  • Vmax: 0.3
• vdd
  • Description: Positive analog power supply
  • Type: power
  • Direction: inout
  • Vmin: 3.0
  • Vmax: 3.6
• vss
  • Description: Analog ground
  • Type: ground
  • Direction: inout
  • Vmin: -0.3
  • Vmax: 0.3

Default Conditions

• Vdvdd
  • Description: Digital power supply voltage
  • Display: dvdd
  • Unit: V
  • Typical: 1.8
• Vdvss
  • Description: Digital ground
  • Display: dvss
  • Unit: V
  • Typical: 0
• Vvdd
  • Description: Analog power supply voltage
  • Display: vdd
  • Unit: V
  • Typical: 3.3
• Vvss
  • Description: Analog ground
  • Display: vss
  • Unit: V
  • Typical: 0
• Rout
  • Description: Output load resistance
  • Display: RLoad
  • Unit: MΩ
  • Typical: 100
• Cout
  • Description: Output load capacitance
  • Display: CLoad
  • Unit: fF
  • Maximum: 100
• Vlow
  • Description: DAC low voltage reference
  • Display: Vlow
  • Unit: V
  • Typical: 0
• Vhigh
  • Description: DAC high voltage reference
  • Display: Vhigh
  • Unit: V
  • Typical: 3.3
• ena
  • Description: DAC enable
  • Display: ena
  • Typical: 1
• b[7:0]
  • Description: DAC digital input value
  • Display: b[7:0]
  • Typical: 0
• temperature
  • Description: Ambient temperature
  • Display: Temp
  • Unit: °C
  • Minimum: -40
  • Typical: 27
  • Maximum: 130
• corner
  • Description: Process corner
  • Display: Corner
  • Minimum: ss
  • Typical: tt
  • Maximum: ff

Symbol

Schematic

Layout