M32C82_15 Datasheet, PDF (60/84 Pages) Renesas Technology Corp – SINGLE-CHIP 16/32-BIT CMOS MICROCOMPUTER

M32C/82 Group
5. Electrical Characteristics (VCC = 5V)
Memory expansion mode and microprocessor mode
(When accessing the DRAM area)
Write timing
Vcc=5V
BCLK
tcyc
td(BCLK-RAD)
18ns.max ^th(BCLK-RAD)
-3ns.min
MAi
Row address
td(BCLK-CAD)
18ns.max
Column address
th(BCLK-CAD)
-3ns.min
th(RAS-RAD)⁽¹⁾
tRP⁽¹⁾
RAS
CASL
CASH
DW
td(BCLK-RAS)
18ns.max
td(BCLK-DW)
18ns.max
td(BCLK-CAS)
18ns.max
Hi-Z
DB
tsu(DB-CAS)⁽¹⁾
NOTES:
1. It varies with the operation frequency.
th(RAS-RAD)=(tcyc/2-13)ns.min
tRP=(tcyc/2 x 3-20)ns.min
tsu(DB-CAS)=(tcyc-20)ns.min
th(BCLK-RAS)
-3ns.min
th(BCLK-CAS)
-3ns.min
th(BCLK-DW)
-5ns.min
th(BCLK-DB)
-7ns.min
Measurement conditions
• VCC=4.2 to 5.5V
• Input high and low voltage: VIH=2.5V, VIL=0.8V
• Output high and low voltage: VOH=2.0V, VOL=0.8V
Figure 5.6 VCC=5V Timing Diagram (5)
Rev.1.20 Jun. 01, 2004 page 58 of 80