MC68HC16Z1CAG16 Datasheet, PDF (326/500 Pages) Freescale Semiconductor, Inc – M68HC16Z Series users manual

Freescale Semiconductor, Inc.
Table A-25 20.97-MHz ECLK Bus Timing
(V_DD and V_DDSYN = 5.0 Vdc ± 5%, V_SS = 0 Vdc, T_A = T_L to T_H)¹
Num
Characteristic
E1 ECLK Low to Address Valid²
E2 ECLK Low to Address Hold
E3 ECLK Low to CS Valid (CS Delay)
E4 ECLK Low to CS Hold
E5 CS Negated Width
E6 Read Data Setup Time
E7 Read Data Hold Time
E8 ECLK Low to Data High Impedance
E9 CS Negated to Data Hold (Read)
E10 CS Negated to Data High Impedance
E11 ECLK Low to Data Valid (Write)
E12 ECLK Low to Data Hold (Write)
E13 CS Negated to Data Hold (Write)
E14 Address Access Time (Read)³
E15 Chip-Select Access Time (Read)⁴
E16 Address Setup Time
NOTES:
1. Refer to notes in Table A-26.
Symbol Min
t_EAD
—
t_EAH
10
t_ECSD
—
t_ECSH
10
t_ECSN
25
t_EDSR
25
t_EDHR
5
t_EDHZ
—
t_ECDH
0
t_ECDZ
—
t_EDDW
—
t_EDHW
10
t_ECHW
0
t_EACC
308
t_EACS
236
t_EAS
1/2
Max
48
—
120
—
—
—
—
48
—
1
2
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
t_cyc
t_cyc
ns
ns
ns
ns
t_cyc
A-42
ELECTRICAL CHARACTERISTICS
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M68HC16 Z SERIES
USER’S MANUAL