SC28C94A1A NXP Semiconductors, SC28C94A1A Datasheet - Page 26

• Manufacturer Part Number: SC28C94A1A
• Description: UART Interface IC UART QUAD W/FIFO
• Manufacturer: NXP Semiconductors
• Type: Quad UARTr

Specifications of SC28C94A1A

• Number Of Channels: 4
• Data Rate: 1 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current: 35 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: PLCC-52
• Description/function: Quad UART
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 5 V
• Lead Free Status / Rohs Status: Details
• Other names: SC28C94A1A,512

1. Parameters are valid over specified temperature range. See ordering information table for applicable temperature range and operating
Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS
V
NOTES:
2. Timing is illustrated and referenced to the WRN and RDN inputs. The device may also be operated with CEN as a ‘strobing’ input. CEN and
3. The RDN signal must be negated for this time to guarantee that internal registers update before the next read.
2006 Aug 09
CC
Quad universal asynchronous receiver/transmitter (QUART)
NO
NO.
supply range.
RDN (also CEN and WRN) are ANDed internally. As a consequence the signal asserted last initiates the cycle; the signal negated first
terminates the cycle. Address is latched at leading edge of a read or write cycle.
10
1
2
3
4
5
6
7
8
9
= 5 V
A[5:0]
D[7:0]
WRN
CEN
RDN
FIGURE
FIGURE
10 %, T
4
4
4
4
4
4
4
4
4
4
A
= –40 C to 85 C, unless otherwise specified.
A[5:0] Setup time to RDN WRN Low
A[5:0] Hold time from RDN WRN Low
CEN Setup time to RDN WRN Low
CEN Hold time from RDN WRN High
RDN WRN Pulse Width Low
D[7:0] Data Valid after CEN and RDN Low
D[7:0] Data Bus floating after RDN or CEN High
D[7:0] Data Bus Setup time before WRN or CEN High
D[7:0] Hold time after WRN or CEN High
Time between Reads and/or Writes
1
3
2
Figure 4. A Read Cycle Followed by a Write Cycle without DACKN
6
5
CHARACTERISTIC
CHARACTERISTIC
1
READ CYCLE
2
3
2
4
7
26
10
1
2
WRITE CYCLE
Min
45
65
20
5
0
0
0
5
0
8
LIMITS
Typ
9
Max
SC28C94
65
10
Product data sheet
SD00164
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns