ml7214a-001 Oki Semiconductor, ml7214a-001 Datasheet - Page 19

• Manufacturer Part Number: ml7214a-001
• Description: Voip Codec
• Manufacturer: Oki Semiconductor

Transmit/Receive Buffer Interface (DMA Mode)
DMARQ1B setup time
DMARQ1B output delay time
Address setup time (at Read)
Address hold time (at Read)
Address setup time (at Write)
Address hold time (at Write)
Write data setup time
Write data hold time
ACK0B setup time
ACK0B hold time
ACK1B setup time
ACK1B hold time
WRB pulse width
DMARQ0B setup time
DMARQ0B output delay time
Read data output delay time
Read data output hold time
RDB pulse width
ACKB disable time
OKI Semiconductor
Parameter
Figure 8 Transmit/Receive Buffer Interface (DMA Mode)
DMARQ0B
DMARQ1B
D15-D0
ACK0B
ACK1B
A7-A0
output
Input-
WRB
Input
Input
Input
Input
Input
Output
Output
RDB
tDR1RD
tDR0RD
tDR1FD
tDR0FD
Symbol
tDR1S
tDR0S
tAK0S
tAK0H
tAK1S
tAK1H
tWDH
tWAS
tWAH
tWDS
tRDD
tRDH
tRAS
tRAH
tWW
tRW
tAD
tDR1S
(AVDD = 3.0 to 3.6V, DVDD0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2
= 0.0 V, Ta = –20 to 60°C unless otherwise specified)
tAK1S
tWAS
Write timing
tDR1RD
tWDS tWDH
tWW
Input
D1
A1
CL = 50 pF
Condition
tAK1H
tWAH
tDR1FD
tAD
tDR0S
tAK0S
tRAS
Min.
tDR0RD
10
10
10
20
10
10
10
10
10
35
10
tRDD
Read timing
—
—
—
—
—
3
0
0
3
3
A2
tRW
Output
D2
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
tRDH
tAK0H
tRAH
FEDL7214_001DIGEST-P
tDR0FD
Max.
30
30
30
30
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ML7214-001
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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