ZL50020GAC ZARLINK [Zarlink Semiconductor Inc], ZL50020GAC Datasheet - Page 65
![no-image](/images/no-image-200.jpg)
ZL50020GAC
Manufacturer Part Number
ZL50020GAC
Description
Enhanced 2 K Digital Switch
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
1.ZL50020GAC.pdf
(83 pages)
- Current page: 65 of 83
- Download datasheet (683Kb)
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C, VDD_CORE at 1.8 V and VDD_IO at 3.3 V and are for design aid only: not guaranteed and not subject to produc-
tion testing.
AC Electrical Characteristics
Note 1:
Note 2:
10 Acknowledgement delay time.
12 RDY drive low to HiZ
11 Acknowledgement hold time.
1
2
3
4
5
6
7
8
9
CS
RD
WR
A0-A13
D0-D15
RDY
CS de-asserted time
RD setup to CS falling
WR setup to CS falling
Address setup to CS falling
RD hold after CS rising
WR hold after CS rising
Address hold after CS rising
Data setup to RDY high
Data hold after CS rising
From CS low to RDY high:
From CS high to RDY low
Registers
Memory
A delay of 500 µs to 2 ms (see Section 13.2 on page 33) 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 22 - Intel Non-Multiplexed Bus Timing - Read Access
†
- Intel Non-Multiplexed Bus Mode - Read Access
t
CSD
Sym.
t
t
t
t
t
t
t
CSD
t
t
t
t
Zarlink Semiconductor Inc.
t
CSZ
AKD
AKH
AKZ
WS
WH
RS
AS
RH
AH
DS
t
t
t
RS
AS
WS
ZL50020
Min.
15
10
10
65
5
0
0
0
8
7
4
Typ.
VALID ADDRESS
t
AKD
‡
L
, with timing corrected to cancel time taken to
t
DS
Max.
175
185
VALID READ DATA
12
8
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
t
AH
AKH
t
CSZ
C
C
(Note 1)
C
C
C
(Note 1)
t
t
RH
WH
L
L
L
L
L
Test Conditions
t
= 50 pF
= 50 pF, R
= 50 pF
= 50 pF
= 50 pF, R
AKZ
Data Sheet
V
V
V
V
V
V
CT
CT
CT
CT
L
L
CT
CT
= 1 K
= 1 K
2
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