ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 19

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

(Unless otherwise specified, AV
Transmit and Receive Buffer Interface (in DMA Mode)
Ta = −20 to +60°C)
Oki Semiconductor
DMARQ1B setup time
DMARQ1B output delay time
Address setup time
Address hold time
Write data setup time
Write data hold time
ACK setup time
ACK 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
Parameter
Figure 8 Transmit and receive buffer interface (in DMA mode)
DMARQ0B
DMARQ1B
D15-D0
ACK0B
ACK1B
A7-A0
WRB
Output
Output
Input
Input
Input
RDB
Input
Input
I/O
DD
= 3.0 to 3.6 V, DV
tDR1RD
tDR0RD
Symbol
tDR1FD
tDR0FD
tDR1S
tDR0S
tWDH
tWDS
tRDD
tRDH
tAKS
tAKH
tWW
tRW
tAH
tAD
tAS
tDR1S
tAKS
tWDS
tAS
Write timing
tDR1RD
Input
tWW
A1
D1
DD
tDR1FD
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,
tWDH
Conditions
CL = 50 pF
tAH
tAKH
tAD
tDR0S
tAKS
tAS
Min.
Read timing
10
10
10
10
10
10
10
35
10
tDR0RD
tRDD





3
3
3
A2
tRW
Output
D2
Typ.
tDR0FD
tAKH

















tAH
tRDH
Max.
25
25
20
25
30












ML7074-001GA
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15