XR16M2750IM48-F Datasheet, PDF (42/53 Pages) Exar Corporation – 1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

XR16M2750
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
REV. 1.0.0
Floating inputs will result in sleep currents in the mA range. For PowerSave feature that isolates address, data
and control signals, please see the XR16M2751 datasheet.
AC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA=-40^O TO +85^OC, VCC=1.62 - 3.63V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
XTAL1 UART Crystal Oscillator
LIMITS
1.8V ± 10%
MIN
MAX
24
LIMITS
2.5V ± 10%
MIN
MAX
24
LIMITS
3.3V ± 10%
MIN
MAX
24
ECLK
T_ECLK
T_AS
T_AH
T_CS
T_RD
T_DY
T_RDV
T_DD
T_WR
T_DY
T_DS
T_DH
T_WDO
T_MOD
External Clock
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
32
50
64
15
10
7
0
0
0
0
0
0
65
50
40
65
50
40
65
50
40
60
45
35
25
25
25
65
50
40
65
50
40
20
10
10
3
3
3
0
50
50
0
50
50
T_RSI Delay To Reset Interrupt From
0
IOR#
50
50
T_SSI
Delay From Stop To Set Inter-
60
1
1
rupt
T_RRI
Delay From IOR# To Reset
Interrupt
25
45
45
T_SI
Delay From Stop To Interrupt
45
45
45
T_INT
Delay From Initial INT Reset To
8
24
8
24
8
24
Transmit Start
T_WRI
Delay From IOW# To Reset
Interrupt
45
45
45
T_SSR
Delay From Stop To Set
RXRDY#
1
1
1
T_RR
Delay From IOR# To Reset
RXRDY#
45
45
45
UNIT
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Bclk
ns
ns
Bclk
ns
Bclk
ns
42