SanDisk CompactFlash Extreme III User Manual

Page 33

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SanDisk CompactFlash Card OEM Product Manual

Interface Description

3.3.8

I/O Read (Input) Timing Specification

Figure 3-5 I/O Read Timing Diagram

NOTE

1:

All timings are measured at the CompactFlash Memory Card.

NOTE

2:

Skews and delays from the host system driver/receiver to the card must be
accounted for by the system design.

NOTE

3:

D[15::0] signifies data provided by the card to the host system.

Table 3-13 contains the read input timing specifications.

NOTE

: SanDisk CompactFlash Memory cards do ont assert a -WAIT signal.

Table 3-13

I/O Read (Input) Timing Specification

Item

Symbol

IEEE Symbol

Min. (ns)

Max. (ns)

Data Delay after -IORD

t

d

(IORD)

tl

GLQV

---

100

Data Hold following -IORD

t

h

(IORD)

tl

GHQX

0

---

-IORD Width Time

t

w

(IORD)

tl

GLIGH

165

---

Address Setup before -IORD

t

su

A(IORD)

t

AVIGL

70

---

Address Hold following -IORD

t

h

A(IORD)

tl

GHAX

20

---

-CE Setup before -IORD

t

su

CE(IORD)

t

ELIGL

5

---

-CE Hold following -IORD

t

h

CE(IORD)

tl

GHEH

20

---

-REG Setup before -IORD

t

su

REG(IORD)

t

RGLIGL

5

---

-REG Hold following -IORD

t

h

REG(IORD)

tl

GHRGH

0

---

-INPACK Delay falling from -IORD

t

df

INPACK(IORD)

tl

GLIAL

0

45

a

-INPACK Delay rising from -IORD

t

dr

INPACK(IORD)

tl

GHIAH

---

45

a

© 2007 SanDisk Corporation

3-15

Rev. 12.0, 02/07

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