D12320VF25IV Datasheet, PDF (1004/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 22 Electrical Characteristics
(3) Bus Timing
Table 22.17 Bus Timing
Condition B: V_CC = 3.0 V to 3.6 V, AV_CC = 3.0 V to 3.6 V, V_ref = 3.0 V to AV_CC, V_SS = AV_SS =
0 V, φ = 2 MHz to 25 MHz, T_a = –20°C to 75°C (regular specifications),
T_a = –40°C to 85°C (wide-range specifications)
Item
Address delay time
Address setup time
Address hold time
Precharge time
CS delay time 1
CS delay time 2
CS delay time 3
AS delay time
RD delay time 1
RD delay time 2
CAS delay time
Read data setup time
Read data hold time
Read data access time 1
Read data access time 2
Read data access time 3
Read data access time 4
Read data access time 5
Read data access time 6
WR delay time 1
WR delay time 2
WR pulse width 1
WR pulse width 2
Write data delay time
Write data setup time
Write data hold time
WR setup time
WR hold time
Symbol
tAD
tAS
tAH
tPCH
tCSD1
tCSD2
tCSD3
tASD
tRSD1
tRSD2
tCASD
tRDS
tRDH
tACC1
tACC2
tACC3
tACC4
tACC5
tACC6
tWRD1
tWRD2
tWSW1
tWSW2
tWDD
tWDS
tWDH
tWCS
tWCH
Condition B
Min
Max
—
20
0.5 × tcyc – 15 —
0.5 × tcyc – 8 —
1.5 × tcyc– 15 —
—
15
—
15
—
20
—
15
—
15
—
15
—
15
15
—
0
—
—
1.0 × tcyc – 20
—
1.5 × tcyc – 20
—
2.0 × tcyc – 20
—
2.5 × tcyc – 20
—
3.0 × tcyc – 20
—
1.0 × tcyc – 20
—
15
—
15
1.0 × tcyc – 15 —
1.5 × tcyc – 15 —
—
20
0.5 × tcyc – 15 —
0.5 × tcyc – 8 —
0.5 × tcyc – 10 —
0.5 × tcyc – 10 —
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions
Figures 22.6 to 22.13
Rev.6.00 Sep. 27, 2007 Page 972 of 1268
REJ09B0220-0600