SDP3B FlashDisk Product Manual
SanDisk SDP3B FlashDisk Product Manual © 1998 SANDISK CORPORATION
35
4.3.11
I/O Output (Write) Timing Specification
Table 4-8 I/O Write Timing
I t e m
Symbol
IEEE Symbol
Min ns.
M a x n s .
Data Setup before IOWR
tsu(IOWR)
tDVIWH
60
Data Hold following IOWR
th(IOWR)
tlWHDX
30
IOWR Width Time
twIOWR
tlWLIWH
165
Address Setup before IOWR
tsuA(IOWR)
tAVIWL
70
Address Hold following IOWR
thA(IOWR)
tlWHAX
20
CE Setup before IOWR
tsuCE(IOWR)
tELIWL
5
CE Hold following IOWR
thCE(IOWR)
tlWHEH
20
REG Setup before IOWR
tsuREG(IOWR)
tRGLIWL
5
REG Hold following IOWR
thREG(IOWR)
tlWHRGH
0
IOIS16 Delay Falling from Address
tdfIOIS16(ADR)
tAVISL
35
IOIS16 Delay Rising from Address
tdrIOIS16(ADR)
tAVISH
35
Wait Delay Falling from IOWR
tdWT(IOWR)
tlWLWTL
35
IOWR high from Wait high
tdrIOWR(WT)
tWTJIWH
0
Wait Width Time (Default Speed)
(Set Feature Speed <68 mA.)
tw(WT)
tWTLWTH
350
700
Figure 4-6 I/O Write 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 -IOWR high is 0 nsec, but minimum -IOWR width must still be met.
Din signifies data provided by the system to the SDP3B FlashDisk.