SC28C94A1A NXP Semiconductors, SC28C94A1A Datasheet - Page 28

• 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

Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS
V
NOTE:
1. Consecutive write operations to the upper four bits of the Command Register (CR) require at least three X1/CLK edges; four X1/CLK edges
2006 Aug 09
NO
NO.
CC
1
2
3
4
5
Quad universal asynchronous receiver/transmitter (QUART)
in the ‘X1/CLK divide by 2 edges’ according to register 2Eh or 2Fh setting.
NOTE: Rise time of IRQN is dependent on external circuit.
= 5 V
DACKN
FIGURE
FIGURE
IACKN
D[7:0]
IRQN
EVAL/HOLD
6
6
6
6
6
10 %, T
OSC/N
IACKN
CIR
D[7:0] Valid after IACKN Low
DACKN Low after IACKN Low
D[7:0] floating after IACKN High
DACKN High after IACKN High
IACKN High after IACKN Low
A
= –40 C to +85 C, unless otherwise specified.
CHARACTERISTIC
CHARACTERISTIC
1
Figure 6. Interrupt Knowledge (IACKN) Timing
Figure 7. Interrupt Bid Arbitration Timing
2
VALUE FOR THIS INTERRUPT
28
5
X1 edges
0 + 2
Min
30
0
0
1
LIMITS
Typ
3
4
X1 edges
30 + 3
Max
65
15
15
SD00166
SC28C94
1
Product data sheet
SD00165
UNIT
UNIT
ns
ns
ns
ns
ns