xr16m770il32 Exar Corporation, xr16m770il32 Datasheet - Page 44
xr16m770il32
Manufacturer Part Number
xr16m770il32
Description
1.62v To 3.63v High Performance Uart With 64-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16M770IL32.pdf
(52 pages)
- Current page: 44 of 52
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XR16M770
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
SEE”POWER-SAVE FEATURE” ON PAGE 21.
M770 should NOT be lower than its VCC supply.
AC ELECTRICAL CHARACTERISTICS
TA = -40
S
XTAL1
T
ECLK
T
T
YMBOL
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
ECLK
WDO
T
MOD
RDV
SSR
WRI
WR
RSI
RRI
SSI
INT
WT
AS
AH
CS
RD
DY
DD
DY
DS
DH
RR
SI
O
TO
UART Crystal Frequency
External Clock Frequency
External Clock Time Period
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 Start To Interrupt
Delay From Initial INT Reset To
Transmit Start
Delay From IOW# To Reset Interrupt
Delay From Stop To Set RXRDY#
Delay From IOR# To Reset RXRDY#
Delay From IOW# To Set TXRDY#
+85
O
C, V
CC IS
P
ARAMETER
1.62
TO
3.6V, 70
To achieve minimum power drain, the voltage at any of the inputs of the
P
F
LOAD WHERE APPLICABLE
M
15
90
90
90
90
90
30
1.8V ± 10%
0
0
3
8
IN
L
44
IMITS
M
24
30
85
25
50
50
50
45
45
24
45
45
45
1
1
AX
M
60
60
60
60
60
15
2.5V ± 10%
9
0
0
3
8
IN
L
IMITS
M
24
50
50
45
55
10
50
50
45
45
24
45
45
1
1
AX
M
35
35
35
35
10
35
3.3V ± 10%
IN
7
0
0
3
8
L
IMITS
M
24
64
30
50
50
50
45
45
24
45
45
45
5
1
1
AX
REV. 1.0.0
U
MHz
MHz
Bclk
Bclk
Bclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
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