xr16v2651im Exar Corporation, xr16v2651im Datasheet - Page 39

• Manufacturer Part Number: xr16v2651im
• Description: High Performance Duart With 32-byte Fifo And Powersave
• Manufacturer: Exar Corporation

REV. 1.0.2
AC ELECTRICAL CHARACTERISTICS
U
NLESS OTHERWISE NOTED
S
XTAL1
T
ECLK
T
T
T
T
T
T
YMBOL
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
ECLK
WDS
WDH
RWH
WDO
MOD
ADH
RWS
RDH
RDV
ADS
RDA
CSD
CSL
WR
RSI
RRI
SSI
AS
AH
CS
RD
DY
DD
DY
DS
DH
UART Crystal Oscillator
External Clock
External Clock Time Period
Address Setup Time (16 mode)
Address Hold Time (16 mode)
Chip Select Width (16 mode)
IOR# Strobe Width (16 mode)
Read Cycle Delay (16 mode)
Data Access Time (16 mode)
Data Disable Time (16 mode)
IOW# Strobe Width (16 mode)
Write Cycle Delay (16 mode)
Data Setup Time (16 mode)
Data Hold Time (16 mode)
Address Setup (68 Mode)
Address Hold (68 Mode)
R/W# Setup to CS# (68 Mode)
Read Data Access (68 mode)
Read Data Disable (68 mode)
Write Data Setup (68 mode)
Write Data Hold (68 Mode)
CS# De-asserted to R/W# De-asserted (68 Mode)
CS# Width (68 Mode)
CS# Cycle Delay (68 Mode)
Delay From IOW# To Output
Delay To Set Interrupt From MODEM Input
Delay To Reset Interrupt From IOR#
Delay From Stop To Set Interrupt
Delay From IOR# To Reset Interrupt
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO AND POWERSAVE FEATURE
: TA = -40
P
ARAMETER
O
TO
+85
O
C, V
CC
=2.25 - 3.63V, 70
39
M
10
40
40
40
40
40
10
10
40
40
2.5V ± 10%
0
0
3
0
0
0
3
5
IN
L
IMITS
P
F
LOAD WHERE APPLICABLE
M
32
50
35
25
35
25
50
50
50
45
1
AX
M
35
35
35
35
35
10
10
35
35
7
0
0
3
0
0
0
3
5
3.3V ± 10%
IN
L
IMITS
XR16V2651
M
24
64
30
25
30
25
50
50
50
45
1
AX
U
MHz
MHz
Bclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT