M32C82_15 Datasheet, PDF (61/84 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 Vcc=5V
Refresh timing (CAS-before-RAS refresh)
BCLK
RAS
td(BCLK-RAS)
18ns.max
tsu(CAS-RAS)⁽¹⁾
CASL
CASH
td(BCLK-CAS)
18ns.max
DW
NOTES :
1. It varies with the operation frequency.
tsu(CAS-RAS)=(tcyc/2-13)ns.min
tcyc
th(BCLK-RAS)
-3ns.min
th(BCLK-CAS)
-3ns.min
Refresh timing (Self-refresh)
BCLK
td(BCLK-RAS)
tcyc
18ns.max
RAS
CASL
CASH
tsu(CAS-RAS)⁽¹⁾
td(BCLK-CAS)
18ns.max
DW
NOTES:
1. It varies with the operation frequency.
tsu(CAS-RAS)=(tcyc/2-13)ns.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 5.7 VCC=5V Timing Diagram (6)
th(BCLK-RAS)
-3ns.min
th(BCLK-CAS)
-3ns.min
Rev.1.20 Jun. 01, 2004 page 59 of 80