Rainbow Electronics AT77C102B - Manual (Page 8)

8
5364A–BIOM–09/05
AT77C102B
.
Figure 3-1. Reset
Table 3-7. Switching Performances
The following characteristics are applicable to the operating temperature -40
°C ≤ Ta ≤ +85°C
Typical conditions are: nominal voltage; T
amb
= 25
°C; F
PCLK
= 1 MHz; Duty cycle = 50%
C
load
120 pF on digital and analog outputs unless otherwise specified
Parameter Symbol Test Level Min Typ Max Unit
Clock frequency f
PCLK
I 0.5 1 2 MHz
Clock pulse width (high) t
HCLK
I 250 ns
Clock pulse width (low) t
LCLK
I 250 ns
Clock setup time (high)/reset falling edge t
Setup
I 0 ns
No data change t
NOOE
IV 100 ns
Reset pulse width high t
HRST
IV 50 ns
Table 3-8. 3.3V ±10% Power Supply
Parameter Symbol Test Level Min Typ Max Unit
Output delay from PCLK to ACKN rising edge t
PLHACKN
I 145 ns
Output delay from PCLK to ACKN falling edge t
PHLACKN
I 145 ns
Output delay from PCLK to data output Dxi t
PDATA
I 120 ns
Output delay from PCLK to analog output AVx t
PAVIDEO
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
tHRST
tSETUP
Reset RST
Clock PCLK