Cypress CY7C64215 Manual De Usuario

Document 38-08036 Rev. *C

Page 18 of 30

The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and 0°C < T

A

 < 70°C, or 3.0V to 3.6V and 0°C < T

A

 < 70°C, respectively. Typical parameters apply to 5V and 3.3V at 25°C and are

for design guidance only. 

BG

Bandgap Voltage Reference

1.28

1.30

1.32

V

–

AGND = Vdd/2

Vdd/2 – 0.03

Vdd/2 – 0.01

Vdd/2 + 0.005

V

–

AGND = 2 x BandGap

Not Allowed

–

AGND = P2[4] (P2[4] = Vdd/2)

P2[4] – 0.008

P2[4] + 0.001

P2[4] + 0.009

V

–

AGND = BandGap

[3]

BG – 0.009

BG + 0.005

BG + 0.015

V

–

AGND = 1.6 x BandGap

1.6 x BG – 0.027

1.6 x BG – 0.010

1.6 x BG + 0.018

V

–

AGND Column to Column Variation (AGND = 
Vdd/2)

[3]

–0.034

0.000

0.034

V

–

RefHi = Vdd/2 + BandGap

Not Allowed

–

RefHi = 3 x BandGap

Not Allowed

–

RefHi = 2 x BandGap + P2[6] (P2[6] = 0.5V)

Not Allowed

–

RefHi = P2[4] + BandGap (P2[4] = Vdd/2)

Not Allowed

–

RefHi = P2[4] + P2[6] (P2[4] = Vdd/2, P2[6] = 0.5V) P2[4] + P2[6] – 0.075 P2[4] + P2[6] – 0.009 P2[4] + P2[6] + 0.057

V

–

RefHi = 3.2 x BandGap

Not Allowed

–

RefLo = Vdd/2 – BandGap

Not Allowed

–

RefLo = BandGap

Not Allowed

–

RefLo = 2 x BandGap - P2[6] (P2[6] = 0.5V)

Not Allowed

–

RefLo = P2[4] – BandGap (P2[4] = Vdd/2)

Not Allowed

–

RefLo = P2[4]-P2[6] (P2[4] = Vdd/2, P2[6] = 0.5V) P2[4] – P2[6] – 0.048 P2[4] – P2[6] + 0.022 P2[4] – P2[6] + 0.092

V

R

CT

Resistor Unit Value (Continuous Time)

–

12.2

–

k

Ω

C

SC

Capacitor Unit Value (Switched Capacitor)

–

80

–

fF