Rainbow-electronics AT77C101B FingerChip™ Manual de usuario descargar pdf (Pagina 10)

AT77C101B

2150A–BIOM–02/02

Table 7. Switching Performances. T

amb

= 25°C; F

PCLK

= 1 MHz; Duty cycle = 50%

load

120 pF on digital and analog outputs unless otherwise specified

Parameter Symbol Test Level Min Typ Max Unit

Clock frequency f

PCLK

I0.512MHz

Clock pulse width (high) t

HCLK

I250 ns

Clock pulse width (low) t

LCLK

I250 ns

Clock setup time (high)/reset falling edge t

Setup

I0ns

No data change t

NOOE

IV 100 ns

Reset pulse width high t

HRST

IV 50 ns

Table 8. 5.0V All Power Supplies = +5V

Parameter Symbol Test Level Min Typ Max Unit

Output delay from PCLK to ACKN rising edge t

PLHACKN

I90ns

Output delay from PCLK to ACKN falling edge t

PHLACKN

I85ns

Output delay from PCLK to Data output Dxi t

PDATA

I75ns

Output delay from PCLK to Analog output Avx t

PAV I D EO

I 260 ns

Output delay from OE to data high-Z t

DATAZ

IV 25 ns

Output delay from OE to data output t

ZDATA

IV 29 ns

Table 9. 3.3V All Power Supplies = +3.3V

Parameter Symbol Test Level Min Typ Max Unit

Output delay from PCLK to ACKN rising edge t

PLHACKN

I 110 ns

Output delay from PCLK to ACKN falling edge t

PHLACKN

I 100 ns

Output delay from PCLK to Data output Dxi t

PDATA

I90ns

Output delay from PCLK to Analog output AVx t

PAV ID E O

I 250 ns

Output delay from OE to data high-Z t

DATAZ

IV 34 ns

Output delay from OE to data output t

ZDATA

IV 47 ns

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 22 23

Comentarios a estos manuales

Sin comentarios

Rainbow-electronics AT77C101B FingerChip™ Manual de usuario Pagina 10

Comentarios a estos manuales