DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 110

• Manufacturer Part Number: DS21FF44
• Description: IC FRAMER E1 4X4 16CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FF44

• Controller Type: E1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 300mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 300-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A0 to A7,
FS0, FS1
D0 to D7
Figure 23-5. INTEL BUS WRITE AC TIMING (BTS = 0 / MUX = 0)
Figure 23-6. MOTOROLA BUS READ AC TIMING (BTS = 1 / MUX = 0)
D0 to D7
A0 to A7,
FS0, FS1
R/W*
RD*
CS*
WR*
CS*
DS*
DS
Notes:
1. The signal DS is active high when emulating the DS21Q43 (FMS = 1) .
1
0ns min.
0ns min.
0ns min.
t1
t1
Address Valid
Address Valid
0ns min.
0ns min.
t2
t2
t2
75ns max.
75ns max.
t3
t3
75ns min.
t6
110 of 117
Data Valid
5ns min. / 20ns max.
t7
10ns
min.
10ns
min.
t4
t4
t4
t8
0ns min.
0ns min.
0ns min.
t5