CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION
34
4.3.10
I/O Input (Read) Timing Specification
Table 4-7 I/O Read Timing
I t e m
Symbol
IEEE Symbol
Min ns.
M a x n s .
Data Delay after IORD
td(IORD)
tlGLQV
100
Data Hold following IORD
th(IORD)
tlGHQX
0
IORD Width Time
tw(IORD)
tlGLIGH
165
Address Setup before IORD
tsuA(IORD)
tAVIGL
70
Address Hold following IORD
thA(IORD)
tlGHAX
20
CE Setup before IORD
tsuCE(IORD)
tELIGL
5
CE Hold following IORD
thCE(IORD)
tlGHEH
20
REG Setup before IORD
tsuREG(IORD)
tRGLIGL
5
REG Hold following IORD
thREG(IORD)
tlGHRGH
0
INPACK Delay Falling from IORD
tdfINPACK(IORD)
tlGLIAL
0
45
INPACK Delay Rising from IORD
tdrINPACK(IORD)
tlGHIAH
45
IOIS16 Delay Falling from Address
tdfIOIS16(ADR)
tAVISL
35
IOIS16 Delay Rising from Address
tdrIOIS16(ADR)
tAVISH
35
Wait Delay Falling from IORD
tdWT(IORD)
tlGLWTL
35
Data Delay from Wait Rising
td(WT)
tWTHQV
0
Wait Width Time (Default Speed)
tw(WT)
tWTLWTH
350
Figure 4-5 I/O Read Timing Diagram
Notes:
The maximum load on -WAIT, -INPACK and -IOIS16 is 1 LSTTL with 50pF total load. All times are in
nanoseconds.
Minimum time from -WAIT high to -IORD high is 0 nsec, but minimum -IORD width must still be met.
Dout signifies data provided by the CompactFlash Memory Card to the system.
