SMCXXXAF Datasheet, PDF (27/82 Pages) Numonyx B.V – 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

SMCxxxAF
Command interface
Figure 7. I/O Write timing diagram
Address Inputs
–REG
–CE2/–CE1
–IOWR
–IOIS16
VALID
tsuREG(IOWR)
thREG(IOWR)
thA(IOWR)
tsuCE(IOWR)
thCE(IOWR)
tsuA(IOWR)
tw(IOWR)
tdfIOIS16(ADR)
tdrIOIS16(ADR)
D0 to D15 (D_IN)
tsu(IOWR)
D_IN VALID
th(IOWR)
1. D_IN signifies data provided by the system to the CompactFlash memory card or CF+ card.
Table 21. I/O Write timing⁽¹⁾
Cycle time mode
Symbol
IEEE symbol
Parameter
Min
tsu(IOWR)
t_QVIWH
Data Setup before IOWR
60
th(IOWR)
t_IWHQX
Data Hold following IOWR
30
tw(IOWR)
t_IWLIWH
IOWR Width time
165
tsuA(IOWR)
t_AVIWL
Address Setup before IOWR
70
thA(IOWR)
t_IWHAX
Address Hold following IOWR
20
tsuCE(IOWR)
t_ELIWL
CE Setup before IOWR
5
thCE(IOWR)
t_IWHEH
CE Hold following IOWR
20
tsuREG(IOWR) t_RGLIWL
REG Setup before IOWR
5
thREG(IOWR)
t_IWHRGH
REG Hold following IOWR
0
tdfIOIS16(A)
t_AVISL
IOIS16 Delay Falling from Address
tdrIOIS16(A)
t_AVISH
IOIS16 Delay Rising from Address
1. ST CF does not assert the WAIT signal.
250 ns
Max
35
35
AI10085b
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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