XR16L651CM EXAR [Exar Corporation], XR16L651CM Datasheet - Page 42

• Manufacturer Part Number: XR16L651CM
• Description: 2.25V TO 5.5V UART WITH 32-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

XR16L651
2.25V TO 5.5V UART WITH 32-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
TA=0
WHERE APPLICABLE
S
YMBOL
T
T
T
OSC
OSC
T
T
T
T
T
T
T
T
T
T
CLK
T
T
T
T
T
T
T
T
T
T
ASW
RDV
DH1
AS1
AH1
AS2
AH2
CSH
RD1
RD2
DS1
CS1
CS2
WR
DIS
AH
AH
AS
CS
RD
DD
DY
DY
O
TO
70
Clock Pulse Duration
Oscillator Frequency
External Clock Frequency
Address Setup Time (16 Mode)
Address Hold Time (16 Mode)
(top mark date code of "BC YYWW" and older)
Address Hold Time (16 Mode)
(top mark date code of "C2 YYWW" and newer)
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 Strobe Width (16 Mode, AS# used)
Address Setup Time (16 Mode, AS# used)
Address Hold Time (16 Mode, AS# used)
Address Setup Time (16 Mode, AS# used)
Address Hold Time (16 Mode, AS# used)
Delay from Chip Select to AS#
Delay from AS# to Chip Select
Delay from AS# to Chip Select
Delay from AS# to Read
Delay from Chip Select to IOR#
Delay from IOR# to DDIS#
O
C (-40
O
TO
+85
P
ARAMETER
O
C
FOR INDUSTRIAL GRADE PACKAGE
42
M
20
50
50
50
50
20
15
50
10
10
50
15
50
10
10
20
IN
0
0
5
5
5
0
5
L
IMITS
2.5
M
16
24
50
25
AX
), V
M
50
10
10
50
50
50
50
50
20
15
35
10
10
10
10
15
CC IS
IN
0
0
5
5
5
0
5
L
IMITS
3.3
2.90V
M
20
33
40
15
AX
TO
M
IN
17
10
40
40
40
40
40
10
10
25
10
10
10
10
10
5.5V, 70
0
0
5
5
5
0
5
5
áç
áç
áç
áç
L
IMITS
5.0
24
50
30
10
M
REV. 1.3.0
P
AX
F L
U
MHz
MHz
OAD
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