zl50018gag2 Zarlink Semiconductor, zl50018gag2 Datasheet - Page 108
zl50018gag2
Manufacturer Part Number
zl50018gag2
Description
2 K Digital Switch With Enhanced Stratum 3 Dpll
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50018GAG2.pdf
(136 pages)
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Part Number:
ZL50018GAG2
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† Characteristics are over recommended operating conditions unless otherwise stated.
AC Electrical Characteristics
Note 1:
Note 2:
10
11 Acknowledgement delay time.
12 Acknowledgement hold time.
13 DTA drive high to HiZ
1
2
3
4
5
6
7
8
9
CS
DS
R/W
A0-A13
D0-D15
DTA
CS de-asserted time
DS de-asserted time
CS setup to DS falling
R/W setup to DS falling
Address setup to DS falling
CS hold after DS rising
R/W hold after DS rising
Address hold after DS rising
Data setup to DTA Low
Data hold after DS rising
From DS low to DTA low:
From DS high to DTA high
Registers
Memory
A delay of 500 µs to 2 ms (see Section 17.2 on page 48) must be applied before the first microprocessor access is
discharge C
performed after the RESET pin is set high.
High impedance is measured by pulling to the appropriate rail with R
Characteristics
L
.
Figure 26 - Motorola Non-Multiplexed Bus Timing - Read Access
†
t
t
DSD
CSD
- Motorola Non-Multiplexed Bus Mode - Read Access
Sym
t
t
t
t
t
t
t
t
t
RWS
RWH
t
Zarlink Semiconductor Inc.
CSD
DSD
CSH
CSS
t
t
t
AKD
AKH
AKZ
DH
t
AS
AH
DS
t
AS
CSS
t
RWS
ZL50018
Min.
108
15
15
10
0
5
0
0
0
8
7
4
Typ.
VALID ADDRESS
t
AKD
L
, with timing corrected to cancel time taken to
t
DS
Max.
185
75
12
VALID READ DATA
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
DH
t
t
RWH
t
AH
C
C
(Note 1)
C
C
C
(Note 1)
CSH
L
L
L
L
L
t
=50pF, R
AKH
Test Conditions
= 50 pF
= 50 pF
= 50 pF
= 50 pF, R
t
AKZ
Data Sheet
L
=1 K
V
V
V
V
L
V
V
CT
CT
CT
CT
= 1 K
CT
CT
2
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