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
READ CYCLE TIMES (See Figure 14)
Data Access from Address
tDA
-
350
-
ns
Read Pulse Width
tRD
400
-
-
ns
Data Access from Read
tDR
-
250
-
ns
Address Hold after Read
tRH
0
-
-
ns
Output Hold after Read
tDH
50
-
-
ns
Chip Select Setup to TPA
tCS
50
-
-
ns
NOTES:
1. Time required be a limit device to allow for the indicated function.
2. Typical values are for TA = 25oC and nominal VDD.
TPA
ADDRESS/CHIP SELECT
READ
DATA TO CPU
tCS
tRH
tRD
tDR
tDA
tDH
FIGURE 14. READ CYCLE TIMING WAVEFORMS
4-102
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