5.0 AC CHARACTERISTICS READ CYCLE (Post-Radiation)*
(VDD = 5.0V ±10%) (TC = -55°C to +125°C for "C" screening and -40°C to +125°C for "W" screening)
SYMBOL
PARAMETER
MINIMUM
MAXIMUM
UNIT
5
Address VALID to READY setup
2T OSC - 30
ns
tAVYV
5
Non-READY time
No upper limit
ns
ns
tYLYH
1,5
READY hold after CLKOUT low
READY hold after ALE low
Address valid to BUSWIDTH setup
BUSWIDTH hold after CLKOUT low
Address valid to input data valid
RD Active to input data valid
CLKOUT low to input data valid
End of RD to input data float
Data hold after RD inactive
Frequency on XTAL1
0
2T OSC - 20
3T OSC - 20
2T OSC - 30
tCLYX
1,5
TOSC
ns
tLLYX
5
ns
tAVGV
5
0
ns
tCLGX
2,5
3T OSC - 29
TOSC - 26
ns
tAVDV
2
5 (see Note 5)
ns
tRLDV
5
5
TOSC - 26
ns
tCLDV
5
0
TOSC -10
ns
tRHDZ
5
0
TOSC -10
ns
tRXDX
5
1 (see Note 7)
20 (see Note 6)
Mhz
ns
fOSC
5
XTAL1 period (1/fOSC
)
50 (see Note 6) 1000 (see Note 7)
TOSC
tXHCH
XTAL1 high to CLKOUT high or low
CLKOUT cycle time
0
+25
ns
ns
6
2TOSC Typical
tCLCL
5
CLKOUT high period
TOSC - 10
TOSC +10
ns
tCHCL
tCLLH
CLKOUT falling edge to ALE rising
ALE falling edge to CLKOUT rising
-5
+15
+10
ns
ns
5
-10
tLLCH
2, 6
ALE cycle time
4TOSC Typical
ns
ns
ns
tLHLH
5
ALE high period
TOSC - 10
TOSC - 15
TOSC +15
tLHLL
5
Address setup to ALE falling edge
tAVLL
tLLAX
tLLRL
tRLCL
Address hold after ALE falling edge
ALE falling edge toRD falling edge
RD low to CLKOUT falling edge
RD low period
TOSC - 20
TOSC - 5
-5
TOSC +5
TOSC +10
+10
ns
ns
ns
ns
2
TOSC - 5
tRLRH
3,5
RD rising edge to ALE rising edge
RD low to address float
TOSC-10
-5
TOSC +10
+5
ns
ns
tRHLH
5
tRLAZ
26
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
