xr16l570il32 Exar Corporation, xr16l570il32 Datasheet - Page 37

• Manufacturer Part Number: xr16l570il32
• Description: Smallest 1.62v To 5.5v Uart With 16-byte Fifo And Powersave
• Manufacturer: Exar Corporation

REV. 1.0.1
AC ELECTRICAL CHARACTERISTICS
U
N
S
OTE
NLESS OTHERWISE NOTED
T
T
YMBOL
T
T
OSC
T
CLK
T
T
T
T
T
T
T
T
Bclk
T
T
T
T
T
T
T
WDO
MOD
RDV
WRI
RST
WR
RSI
SSI
RRI
INT
N
AH
RD
DD
DH
AS
CS
DY
DY
DS
-
: * For faster data rates, see the data rate characterization data on page 38.
SI
Crystal Oscillator Frequency
External Clock Frequency*
External Clock Low/High Time*
Address Setup Time
Address Hold Time
Chip Select Width
IOR# Strobe Width
Read Cycle Delay
Data Access Time
Data Disable Time
IOW# Strobe Width
Write Cycle Delay
Data Setup Time
Data Hold Time
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
Delay From Stop To Interrupt
Delay From Initial INT Reset To Transmit Start
Delay From IOW# To Reset Interrupt
Reset Pulse Width
Baud Rate Divisor
Baud Clock
: TA= -40
P
O
ARAMETER
TO
SMALLEST 1.62V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
+85
O
C, V
CC
=1.62 - 2.75V, 70
37
P
F
M
LOAD WHERE APPLICABLE
250
250
250
250
250
40
75
40
IN
5
0
0
3
8
1
L
IMITS
1.8
16X of data rate
2
175
200
200
200
200
200
200
M
16
12
12
30
24
1
AX
-1
M
100
100
100
100
100
IN
20
25
40
5
0
0
3
8
1
L
IMITS
2.5
XR16L570
2
150
150
150
150
150
150
16
18
24
75
30
24
M
1
-1
AX
U
MHz
MHz
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
-