Preliminary Information
MT8924
AC Electrical Characteristics - Read Timing
(T
OP
=0 to 70°C; V
DD
=5V5%)
Characteristics
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Read Pulse low width
Read Pulse high width
Repetition Interval between active Read
Pulses
Write high setup time to active Read
Pulse
Write high hold time from active Read
Pulse
Read Pulse rise time
Read Pulse fall time
Low setup time to RD falling edge
Low hold time from RD falling edge
High setup time to RD falling edge
High hold time from RD rising edge
C/D setup time to RD Pulse start
Hold time from Read Pulse end
Propagation delay from falling edge of
Read Pulse
Propagation delay from rising edge of
Read Pulse to high impedance state
Sym
t
WLRD
t
WHRD
t
REPRD
t
SHWR
t
HHWR
t
RRD
t
FRD
t
SLCSRD
t
HLCSRD
t
SHCSRD
t
HHCSRD
t
SCDRD
t
HCDRD
t
PDD
t
HZ
0
0
0
0
20
25
120
80
Min
180
200
500
0
20
60
60
Typ
Max
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read; C
L
=200pF
Write; C
L
=200pF
Active case
Active case
Active case
Active case
Test Conditions
t
WLRD
RD
t
WHRD
t
FRD
t
SHWR
t
HHWR
t
REPRD
t
RRD
WR
t
SHCSRD
CS
t
SLCSRD
t
SCDRD
C/D
t
HZ
t
HCDRD
t
HLCSRD
t
HHCSRD
t
PDD
DOUT
Figure 9 - Read Timing Characteristics
8-15
MITEL [ MITEL NETWORKS CORPORATION ]
