XR16L580_07 EXAR [Exar Corporation], XR16L580_07 Datasheet - Page 40

• Manufacturer Part Number: XR16L580_07
• Description: SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
• Manufacturer: EXAR [Exar Corporation]

XR16L580
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
AC ELECTRICAL CHARACTERISTICS
U
S
NLESS OTHERWISE NOTED
T
T
T
T
T
T
T
YMBOL
OSC
OSC
T
T
T
T
T
T
T
T
CLK
T
T
T
T
T
Bclk
T
T
T
T
T
T
T
T
T
WDO
T
RWS
WDS
WDH
RWH
MOD
RDV
ADS
ADH
RDA
RDH
CSD
CSL
WRI
RST
WR
RSI
SSI
RRI
INT
N
AS
AH
RD
DD
DH
CS
DY
DY
DS
-
SI
Crystal Frequency
External Clock Frequency (with 2K pull-up on XTAL2)
External Clock Frequency (with XTAL2 floating)
External Clock Low/High Time
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 Time (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
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
O
P
TO
ARAMETER
+85
O
C, V
CC
=1.62 - 2.75V, 70
40
P
F
M
LOAD WHERE APPLICABLE
40
IN
0
8
1
L
IMITS
1.8
16X of data rate
2
M
16
12
2?
24
1
AX
-1
M
100
100
100
100
100
100
100
20
25
10
75
25
10
40
IN
5
0
0
3
5
0
3
8
1
L
IMITS
2.5
2
150
150
150
150
150
150
M
16
18
24
18
75
30
30
24
1
REV. 1.4.1
AX
-1
U
MHz
MHz
MHz
Bclk
Bclk
Hz
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
ns
ns
ns
NIT
-