H8SLASH3003 datasheet(550/715 Pages) RENESAS

550 / 715 page

Table 18-5 Refresh Controller Bus Timing

Condition A: VCC = 2.7 V to 5.5 V, AVCC = 2.7 V to 5.5 V, VREF = 2.7 V to AVCC,

VSS = AVSS = 0 V, ø = 2 MHz to 8 MHz, Ta = –20°C to +75°C (regular

specifications), Ta = –40°C to +85°C (wide-range specifications)

Condition B: VCC = 3.0 V to 5.5 V, AVCC = 3.0 V to 5.5 V, VREF = 3.0 V to AVCC,

VSS = AVSS = 0 V, ø = 2 MHz to 10 MHz, Ta = –20°C to +75°C (regular

specifications), Ta = –40°C to +85°C (wide-range specifications)

Condition C: VCC = 5.0 V ± 10%, AVCC = 5.0 V ± 10%, VREF = 4.5 V to AVCC,

VSS = AVSS = 0 V, ø = 2 MHz to 16 MHz, Ta = –20°C to +75°C (regular

specifications), Ta = –40°C to +85°C (wide-range specifications)

Condition A Condition B Condition C

8 MHz

10 MHz

16 MHz

Item

Symbol

Min

Max

Min

Max

Min

Max

Unit

RAS delay time 1

tRAD1

—

60—

—

30ns

RAS delay time 2

tRAD2

—60

—

RAS delay time 3

tRAD3

—60

—

Row address hold time*

tRAH

—

RAS precharge time*

tRP

—

CAS to RAS precharge

tCRP

—

time*

CAS pulse width

tCAS

110

—

RAS access time*

tRAC

—

160

—

150

—

Address access time

tAA

—

105

—

CAS access time

tCAC

—50

—

Write data setup time 3

tWDS3

—

CAS setup time*

tCSR

—

Read strobe delay time

tRSD

—60

—

Note: At 8 MHz, the times below depend as indicated on the clock cycle time.

tRAH = 0.5 × tcyc – 38 (ns)

tCAC = 1.0 × tcyc – 75 (ns)

tRAC = 2.0 × tcyc – 90 (ns)

tCSR = 0.5 × tcyc – 43 (ns)

tRP = tCRP = 1.0 × tcyc – 40 (ns)

At 10 MHz, the times below depend as indicated on the clock cycle time.

tRAH = 0.5 × tcyc – 30 (ns)

tCAC = 1.0 × tcyc – 50 (ns)

tRAC = 2.0 × tcyc – 50 (ns)

tCSR = 0.5 × tcyc – 35 (ns)

tRP = tCRP = 1.0 × tcyc – 30 (ns)

At 16 MHz, the times below depend as indicated on the clock cycle time.

tRAH = 0.5 × tcyc – 16 (ns)

tCAC = 1.0 × tcyc – 38 (ns)

tRAC = 2.0 × tcyc – 40 (ns)

tCSR = 0.5 × tcyc – 16 (ns)

tRP = tCRP = 1.0 × tcyc – 23 (ns)

Test

Conditions

Figure 18-7

Figure 18-13

532

H8/3003 Datasheet(PDF) 550 Page - Renesas Technology Corp

H8/3003 Datasheet(HTML) 550 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL