CMX218S1 MX-COM, Inc., CMX218S1 Datasheet - Page 29

• Manufacturer Part Number: CMX218S1
• Description: ISDN data and telephony protocol engine
• Manufacturer: MX-COM, Inc.

ISDN Data and Telephony Protocol Engine (no X.25)
6.1.3.2.2
Note:
1. Hold time includes the time during which V
6.1.3.2.3
Where:
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
All trademarks and service marks are held by their respective companies
and R
L
T = t
a = 1 (during address wait), otherwise, 0
n = Number of wait states (n = 2)
Data setup time (to W WR
Data hold time (to WR
Delay from WR
WR low-level width
= 4.7 k .
Read/Write operation (2/2)
Miscellaneous timing
ASTB cycle time
ASTB low-level width
ASTB high-level width
ASTB rise time
ASTB fall time
NMI low-level width
NMI high-level width
RST low-level width
RST high-level width
CYK
Parameter
Parameter
(system clock cycle time)
to ASTB
)
Note 1
)
t
t
t
t
t
t
t
t
t
Symbol
CYCL
CLL
CLH
CLR
CLF
WNIL
WNIH
WRSL
WRSH
t
t
t
t
SODW
HWOD
DWST
WWL
Symbol
OH1
V
V
V
V
DD
DD
DD
DD
V
V
V
Conditions
= +5.0 V ± 10%
= +5.0 V ± 10%
= +5.0 V ± 10%
= +5.0 V ± 10%
DD
DD
DD
and V
Conditions
= +5.0 V ± 10%
= +5.0V ± 10%
= +5.0V ± 10%
29
OL1
are held under the load conditions of C
nT
0.5 t
0.5 t
0.5 t
0.5 t
10
10
10
10
(1.5 + n) T - 30
(1.5 + n) T - 40
0.5T - 5
0.5T - 25
0.5T - 12
(1.5 + n) T - 30
(1.5 + n) T - 40
CYCL
CYCL
CYCL
CYCL
Min.
- 10
- 20
- 10
- 20
Min.
Max.
10
20
10
20
2000 Chiron Technology Limited
Max.
CMX218 Advance Information
Units
µ s
µ s
µ s
µ s
ns
ns
ns
ns
ns
ns
ns
ns
ns
Units
Doc. # 20480215.001
2000 MX-COM, Inc.
ns
ns
ns
ns
ns
ns
ns
L
= 50 pF