ST16C654 EXAR [Exar Corporation], ST16C654 Datasheet - Page 38

• Manufacturer Part Number: ST16C654
• Description: 2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

   
AC ELECTRICAL CHARACTERISTICS
TA=0
S
T
T
YMBOL
T
OSC
CLK
T
T
T
T
T
T
T
T
T
5 : 6
: ' 6
: ' +
5 : +
WDO
MOD
$ ' 6
$ ' +
5 ' +
RDV
5 ' $
& 6 /
& 6 '
WR
RSI
SSI
AS
AH
CS
RD
DY
DD
DY
DS
DH
O
TO
70
Clock Pulse Duration
Crystal/External Clock Frequency
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#
Delay From Stop To Set Interrupt
O
C (-40
O
TO
+85
P
ARAMETER
O
C
FOR INDUSTRIAL GRADE PACKAGE
38
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
M
66
50
50
20
15
20
10
20
10
50
40
10
15
10
10
IN
5
0
L
IMITS
3.3
M
50
45
30
50
50
8
1
AX
), V
CC IS
M
IN
20
50
30
50
30
50
15
10
10
15
10
15
10
10
5
5
0
L
IMITS
5.0
2.97
24
35
20
50
35
35
M
1
TO
AX
5.5V
MHz
U
Bclk
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
ST16C654/654D
100 pF load
100 pF load
100 pF load
C
ONDITIONS
REV. 5.0.0