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UPD78C18 Datasheet(PDF) 94 Page - NEC

Part # UPD78C18
Description  8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER
PDF  110 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD78C18 Datasheet(HTML) 94 Page - NEC

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µPD78C17,78C18
PARAMETER
EXPRESSION
MIN./MAX.
UNIT
tAL
2T – 100
MIN.
ns
tLA
T – 30
MIN.
ns
tAR
3T – 100
MIN.
ns
tAD
7T – 220
MAX.
ns
tLDR
5T – 200
MAX.
ns
tRD
4T – 150
MAX.
ns
tLR
T – 50
MIN.
ns
tRL
2T – 50
MIN.
ns
tRR
4T – 50 (In data read)
MIN.
ns
7T – 50 (In OP code fetch)
tLL
2T – 40
MIN.
ns
tML
2T – 100
MIN.
ns
tLM
T – 30
MIN.
ns
tIL
2T – 100
MIN.
ns
tLI
T – 30
MIN.
ns
tAW
3T – 100
MIN.
ns
tLDW
T + 110
MAX.
ns
tLW
T – 50
MIN.
ns
tDW
4T – 100
MIN.
ns
tWDH
2T – 70
MIN.
ns
tWL
2T – 50
MIN.
ns
tWW
4T – 50
MIN.
ns
tCYK
6T (SCK input)Note1/12T (SCK input)Note2
MIN.
ns
24T (SCK output)
tKKL
2.5T + 5 (SCK input)Note1/5T + 5 (SCK input)Note2
MIN.
ns
12T – 100 (SCK output)
tKKH
2.5T + 5 (SCK input)Note1/5T + 5 (SCK input)Note2
MIN.
ns
12T – 100 (SCK output)
Notes 1. If clock rate is
×16, ×64 in asynchronous mode.
2. If clock rate is
×1, in asynchronous mode, synchronous mode, or I/O interface mode.
Remarks
1.
T = tCYC = 1/fXX
2.
Other items which are not listed in this table are not dependent on oscillator frequency (fXX).
tCYC-Dependent AC Characteristics Expression



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