xr16l651im Exar Corporation, xr16l651im Datasheet - Page 43

• Manufacturer Part Number: xr16l651im
• Description: 2.25v To 5.5v Uart With 32-byte Fifo
• Manufacturer: Exar Corporation

áç
áç
áç
áç
REV. 1.3.0
AC ELECTRICAL CHARACTERISTICS
TA=0
WHERE APPLICABLE
S
T
T
T
T
T
T
T
T
T
T
YMBOL
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
RWS
WDS
WDH
RWH
WDO
MOD
WR1
ADS
ADH
ADH
RDH
WR2
WR3
DS2
DH2
RDA
CSL
CSD
AS3
RD3
RD4
DS3
DH3
RSI
SSI
RRI
O
TO
70
Delay from AS# to IOW#
Data Setup Time (16 Mode, AS# used)
Data Hold Time (16 Mode, AS# used)
Address Setup (68 Mode)
Address Hold (68 Mode)
(top mark date code of "BC YYWW" and older)
Address Hold (68 Mode)
(top mark date code of "C2 YYWW" and newer)
R/W# Setup to CS# (68 Mode)
Read Data Access (68 mode)
Read Data Hold (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)
Address Setup Time (PC Mode)
Delay from AEN# to IOR#
Delay from IOR# to AEN#
Delay from AEN# to IOW#
Delay from IOW# to AEN#
Data Setup Time (PC Mode)
Data Hold Time (PC 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
O
C (-40
O
TO
+85
P
ARAMETER
O
C
FOR INDUSTRIAL GRADE PACKAGE
43
M
10
30
15
15
20
50
35
15
15
20
50
50
10
10
10
10
30
IN
5
0
5
5
L
IMITS
2.5
2.25V TO 5.5V UART WITH 32-BYTE FIFO
M
50
50
50
50
1
AX
), V
M
CC IS
10
20
10
10
15
45
30
10
10
15
40
40
10
10
10
10
20
IN
5
0
5
5
L
IMITS
3.3
2.90V
M
45
50
40
40
1
AX
TO
M
IN
10
10
10
35
25
10
30
30
10
10
10
10
10
5.5V, 70
5
5
5
0
5
5
5
5
L
IMITS
5.0
XR16L651
40
35
35
40
M
1
P
AX
F L
U
Bclk
OAD
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