xr16v564 Exar Corporation, xr16v564 Datasheet - Page 41
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xr16v564
Manufacturer Part Number
xr16v564
Description
2.25v To 3.6v Quad Uart With 32-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16V564.pdf
(55 pages)
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REV. 1.0.1
AC ELECTRICAL CHARACTERISTICS
TA = -40
S
XTAL1
T
ECLK
T
T
T
T
T
T
T
T
T
T
T
YMBOL
T
T
T
T
T
T
T
T
T
T
T
T
T
ECLK
WDH
RWH
WDO
ADH
RWS
WDS
MOD
RDV
ADS
RDA
RDH
CSD
CSL
WR
RSI
AS
AH
CS
RD
DY
DD
DY
DS
DH
O
TO
UART Crystal Frequency
External Clock Frequency
External Clock Time Period
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)
Data Access Time (68 mode)
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# Strobe 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#
+85
O
C, V
CC IS
2.25
P
TO
ARAMETER
3.6V, 70
P
F
LOAD WHERE APPLICABLE
41
2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO
M
10
50
50
50
50
50
15
10
10
50
50
2.5V ± 10%
0
0
5
0
0
0
5
IN
L
IMITS
M
24
50
45
10
45
10
50
50
50
AX
M
XR16V564/564D
40
40
40
40
40
15
10
40
40
3.3V ± 10%
IN
7
0
0
5
0
0
0
5
5
L
IMITS
M
24
64
35
10
35
10
50
50
50
AX
U
MHz
MHz
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