scn2651 NXP Semiconductors, scn2651 Datasheet - Page 3

• Manufacturer Part Number: scn2651
• Description: Programmable Communications Interface Pci
• Manufacturer: NXP Semiconductors

1. Parameters are valid over operating temperature range unless otherwise specified. See ordering code table for applicable temperature
2. All voltage measurements are referenced to ground. All time measurements are at the 50% level for inputs (except t
3. Typical values are at +25 C, typical supply voltages and typical processing parameters.
1. Parameters are valid over operating temperature range unless otherwise specified. See ordering code table for applicable temperature
2. All voltage measurements are referenced to ground. All time measurements are at the 50% level for inputs (except t
3. Typical values are at +25 C, typical supply voltages and typical processing parameters.
4. Parameter applies when internal transmitter clock is used.
5. Under test conditions of 5.0688MHz, f
6. t
Philips Semiconductors
DC ELECTRICAL CHARACTERISTICS
NOTES:
AC ELECTRICAL CHARACTERISTICS
NOTES:
1994 Apr 27
Input voltage
Output voltage
3-State output leakage current
Pulse width
Set-up and hold time
Input clock frequency
Clock width
V
V
V
V
I
I
I
I
t
t
t
t
t
t
t
t
t
t
t
t
t
f
f
t
t
t
t
t
t
SYMBOL
SYMBOL
SYMBOL
IL
LH
LL
CC
RES
CE
AS
AH
CS
CH
DS
DH
RXS
RXH
DD
DF
CED
BRG
R/T
BRH
BRL
R/TH
R/TL
TXD
TCS
Programmable communications interface (PCI)
range and operating supply range.
0.8V and 2.0V for outputs. Input levels for testing are 0.45V and 2.4V.
range and operating supply range.
0.8V and 2.0V for outputs. Input levels for testing are 0.45V and 2.4V.
IL
IH
OL
OH
R/T
6
5
5
6
and t
R/TL
Low
High
Low
High
Input leakage current
Data bus high
Data bus low
Power supply current
Reset
Chip enable
Address setup
Address hold
R/W control setup
R/W control hold
Data setup for write
Data hold for write
RX data setup
RX data hold
Data delay time for read
Data bus floating time for read
CE to CE delay
Baud rate generator
TxC or RxC
Baud rate high
Baud rate low
TxC or RxC high
TxC or RxC low
TxD delay from falling edge of TxC
Skew between TxD changing and falling edge
of TxC output
shown for all modes except local loopback. For local loopback mode f
4
PARAMETER
PARAMETER
PARAMETER
BRG
, t
BRH
1, 2, 3
1, 2, 3
, and t
BRL
measured at V
TEST CONDITIONS
TEST CONDITIONS
3
V
TEST CONDITIONS
I
IN
I
OH
V
OL
V
= 0 to 5.25V
O
O
C
C
C
C
IH
= -100 A
= 1.6mA
= 0.45V
L
L
L
L
= 4.0V
and V
= 100pF
= 100pF
= 100pF
= 100pF
IL
respectively.
R/T
= 0.7MHz and t
1000
Min
300
225
300
350
700
500
500
1.0
Min
-10
-10
-10
20
20
20
20
dc
70
70
2.0
2.4
0
R/TL
= 700ns min.
5.0688
LIMITS
LIMITS
Typ
Typ
0
BRH
BRH
5.0738
Max
Product specification
Max
250
150
650
150
1.0
SCN2651
0.8
0.4
and t
and t
10
10
10
BRL
BRL
) and at
) and at
UNIT
UNIT
UNIT
MHz
MHz
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
A
A
A