CDP1878C View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
CDP1878C Datasheet PDF : 13 Pages
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CDP1878C
Dynamic Electrical Specifications at TA = -40 to +85oC, VDD = 5V ± 5%, Input tR, tF = 10ns, CL = 50pF and 1 TTL Load
PARAMETER
SYMBOL
(NOTE 1)
MIN
(NOTE 2)
TYP
MAX
UNITS
WRITE CYCLE TIMES (See Figure 15)
Address Setup to Write
tAS
150
-
Write Pulse Width
tWR
150
-
Data Setup to Write
tDS
200
-
Address Hold after Write
tAH
50
-
Data Hold after Write
tWH
50
-
Chip Select Setup to TPA
tCS
50
-
NOTES:
1. Time required by a limit device to allow for the indicated function.
2. Typical values are for TA = 25oC and nominal VDD.
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
TPA
ADDRESS/CHIP SELECT
WRITE
DATA TO COUNTER-TIMER
C
tCS
tAS
tAH
tWR
tDS
tWH
FIGURE 15. WRITE CYCLE TIMING WAVEFORMS
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