HD6413008VF25 Datasheet, PDF (528/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

19. Electrical Characteristics
Condition
A
B and C
Item
Symbol Min Max
Min Max Unit Test Conditions
Write data hold time
t
WDH
0.5 t ⎯
cyc
−15
0.5 t ⎯
cyc
−15
ns Figure 19.7,
figure 19.8
Read data access time 1 t_ACC1
⎯
2.0 t_cyc ⎯
2.0 t_cyc ns
−45
−45
Read data access time 2 t_ACC2
⎯
3.0 t_cyc ⎯
3.0 t_cyc ns
−45
−45
Read data access time 3 t_ACC3
⎯
1.5 t_cyc ⎯
1.5 t_cyc ns
−45
−45
Read data access time 4 t
ACC4
⎯
2.5 t
⎯
2.5 t ns
cyc
cyc
−45
−45
Precharge time 1
t_PCH1
1.0 t_cyc ⎯
−20
1.0 t_cyc ⎯
ns
−20
Precharge time 2
t_PCH2
0.5 t_cyc ⎯
−20
0.5 t_cyc ⎯
ns
−20
Wait setup time
t_WTS
25 ⎯
Wait hold time
t_WTH
5
⎯
Bus request setup time t
BRQS
25
⎯
Bus acknowledge delay
t_BACD1
⎯
30
time 1
25
⎯
ns Figure 19.9
5
⎯
ns
25
⎯
ns Figure 19.10
⎯
30
ns
Bus acknowledge delay t
⎯
30
BACD2
time 2
⎯
30
ns
Bus-floating time
t
⎯
30
⎯
30
ns
BZD
Note: In order to secure the address hold time relative to the rise of the RD strobe, address
update mode 2 should be used. For details see section 6.3.5, Address Output Method.
Rev.4.00 Aug. 20, 2007 Page 482 of 638
REJ09B0395-0400