Z86C34 Datasheet, PDF (15/70 Pages) Zilog, Inc. – CMOS Z8 MCUs WITH ASCI UART OFFER EFFICIENT, COST-EFFECTIVE DESIGN FLEXIBILITY

ZiLOG
Z86C34/C35/C36/C44/C45/C46
CMOS Z8® MCUs with ASCI UART
Table 6. External I/O or Memory READ and WRITE Timing (C44/C45/C46 Only)
(SCLK/TCLK = XTAL/2) (Continued)
T_A = –0ºC to 70ºC
T_A = –40ºC to +105ºC
12 MHz 16 MHz 12 MHz 16 MHz
No Symbol
Parameter
V_{CC1 Min Max Min Max Min Max Min Max Units Notes}
17 TdAS(DS) AS Rise to DS Fall 3.0 65
45
65
45
ns 2
Delay
5.5 65
45
65
45
ns 2
18 TdDM(AS) DM Valid to AS Fall 3.0 35
30
35
30
ns 2
Delay
5.5 35
30
35
30
ns 2
19 TdDs(DM) DS Rise to DM Valid 3.0 45
35
45
35
ns 2
Delay
5.5 45
35
45
35
ns 2
20 ThDS(AS) DS Valid to Address 3.0 45
35
45
35
ns 2
Valid Hold Time
5.5 45
35
45
35
ns 2
Notes:
1. The V_CC voltage specification of 3.0V guarantees 3.3V ± 0.3V, and the V_CC voltage specification of 5.5V guarantees 5.0V
± 0.5V.
2. Timing numbers provided are for minimum TpC.
3. When using extended memory timing add 2 TpC.
DS007601-Z8X0499
PRELIMINARY
15