1553 BCRT Revised AC Characteristics (8/03)

UTMC PRODUCT ERRATA
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BCRT Family Revised AC Electrical Characteristics
The following tables contain reviesed timing for the UT1553 BCRT Family of devices. Numbers contained in brackets indicate the previous limit. Refer to the UTMC 1553 PRoduct Handbook for the timing
diagrams asscoated with these parameters.
Table 1:
Symbol
Parameter
tOOZL1
DMAR to BURST
tSHL1
ADDRESS valid to RRD
Minimum
(ADDRESS setup)
to RRD
Maximum
Units
-10
(0)
+10
ns
THMC2 - 10
(THMC2 - 20)
THMC2 + 5
(THMCS)
ns
MCLK - 10
(MCLK - 5)
MCLK + 5
ns
tPW1
RRD
tHLZ2
RRD to ADDRESS High Impedance
(ADDRESS hold)
THMC1 - 10
THMC1 + 10
(THMC1)
ns
tSHL1
ADDRESS valid to RWR
THMC2 - 10
(THMC2 - 20)
THMC2 + 5
(THMC2)
ns
(ADDRESS setup)
tHLZ1
RWR to DATA High Impedance
(DATA hold)
THMC1 - 10
(THMC1 -20)
THMC1 + 10
(THMC1)
ns
tHLZ2
RWR to ADDRESS High Impedance
(ADDRESS hold)
THMC1 - 10
(THMC1 - 20)
THMC1 + 10
(THMC1)
ns
tPW1
RWR to RWR
MCLK - 10
(MCLK - 5)
MCLK + 5
ns
tOOHL2
DMAG
8 x MCLK
13 x MCLK
ns
(8 x MCLK + 0.5)
(10 x MCLK + 1)
5
(60)1
--
tSLH1
to STDINT
DATA valid to (WR + CS)
(DATA setup)
ns
Notes:
1. Data sheet previously specified the data being valid to the rising edge of (WR +CS).
D(15:0)
DATA VALID
WR + CS
tSHL1
(new)
11/92
tSHL1
(old)
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