Table 11. DC Specifications in Hold1
DESCRIPTION
MIN
MAX
Pullups on ADV, RD, WR , WRL, BHE, ALE
24.4K
275K
Pulldown on INST
24.4K
275K
Note:
1.Tested only at initial qualification, and after any design or process changes which may affect this characteristic.
CONDITIONS
VDD =5.5V, V IN = VSS
VDD =5.5V, VIN = VDD
7.0 HOLD/HLDA Timings
SYMBOL
PARAMETER
MINIMUM
tHVC
1
H
HOLD Setup
25
tCLHAL1
CLKOUT low to HLDA low
-15
tCLBRL1
CLKOUT low to BREQ low
-15
tHALAZ1
HLDA low to address float
tHALBZ1
HLDA low to BHE, INST, RD, WR
driven weakly
tCLHAH1
CLKOUT low to HLDA high
-15
tCLB
R
1
H
CLKOUT low to BREQ high
-15
tHAHAX1
HLDA high to address no longer float
-15
tHAHBV1
HLDA high to BHE, INST, RD, WR valid
-10
Note:
1.Tested only at initial qualification, and after any design or process changes which may affect this characteristic.
MAXIMUM
15
15
10
15
15
15
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
32