XR16C850CM EXAR [Exar Corporation], XR16C850CM Datasheet - Page 44

• Manufacturer Part Number: XR16C850CM
• Description: 2.97V TO 5.5V UART WITH 128-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

XR16C850
2.97V TO 5.5V UART WITH 128-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
TA=0
APPLICABLE
S
TWDO
TMOD
TSSR
TRST
TWRI
TSRT
T
T
T
TRRI
YMBOL
T
T
T
T
T
TRSI
TSSI
TINT
T
T
T
TWT
T
TRR
Bclk
TSI
WR1
WR2
WR3
RD2
DH2
RD3
RD4
DH3
DS2
AS3
DS3
DIS
N
O
TO
70
Delay from Chip Select to IOR#
Delay from IOR# to DDIS#
Delay from AS# to IOW#
Data Setup Time (AS# used)
Data Hold Time (AS# used)
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
Delay From Stop 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#
Delay From Center of Start To Reset TXRDY#
Reset Pulse Width
Baud Rate Divisor
Baud Clock
O
C (-40
O
TO
+85
O
C
FOR INDUSTRIAL GRADE PACKAGE
P
ARAMETER
44
), V
CC IS
M
10
20
10
20
10
10
10
10
20
40
IN
5
5
5
8
1
L
2.97V
3.3V
IMITS
2
M
16
75
75
75
75
75
24
75
75
75
1
1
8
TO
AX
-1
16X
5.5V, 70
M
IN
10
15
15
40
5
5
5
5
5
5
5
5
5
8
1
L
5.0V
IMITS
xr
P
F L
2
16
50
50
50
50
50
24
50
50
50
M
1
1
8
-1
OAD WHERE
AX
REV. 2.3.1
U
Bclk
Bclk
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
-