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UPD703003 Datasheet(PDF) 68 Page - NEC

Part # UPD703003
Description  V853TM 32/16-BIT SINGLE-CHIP MICROCONTROLLER
PDF  82 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD703003 Datasheet(HTML) 68 Page - NEC

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µPD703003
68
Data Sheet U12261EJ2V1DS00
(7) Bus hold timing (1/2)
Parameter
Symbol
Conditions
25-MHz Version
33-MHz Version
Units
MIN.
MAX.
MIN.
MAX.
HLDRQ setup time (to CLKOUT
↓) <54> tSHQK
88
ns
HLDRQ hold time (from CLKOUT
↓) <55> tHKHQ
55
ns
CLKOUT
↑ → HLDAK delay time <56> tDKHA
20
20
ns
HLDRQ high-level width
<57> tWHQH
T + 10
T + 10
ns
HLDAK low-level width
<58> tWHAL
T – 10
T – 10
ns
CLKOUT
↑ → bus float delay time <59> tDKF
20
20
ns
HLDAK
↑ → bus output delay time <60> tDHAC
–3
–3
ns
HLDRQ
↓ → HLDAK↓ delay time <61> tDHQHA1
(2n + 7.5)T + 20
(2n + 7.5)T + 20
ns
HLDRQ
↑ → HLDAK↑ delay time <62> tDHQHA2
0.5T
1.5T + 20
0.5T
1.5T + 20
ns
Remarks 1. T = tCYK
2. n indicates the number of wait clocks that are inserted during a bus cycle. The sampling timing may
vary when using the programmable wait insertion function.



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