tfra08c13 ETC-unknow, tfra08c13 Datasheet - Page 114

• Manufacturer Part Number: tfra08c13
• Description: Tfra08c13 Octal T1/e1 Framer
• Manufacturer: ETC-unknow

TFRA08C13 OCTAL T1/E1 Framer
Microprocessor Interface
Table 55. Microprocessor Interface I/O Timing Specifications
Note: The read and write timing diagrams for all four microprocessor interface modes are shown in Figure 46—Figure 49.
114
Symbol Configuration
t10
t11
t12
t13
t14
t15
t16
t17
t18
t19
t20
t21
t22
t23
t24
t25
t1
t2
t3
t4
t5
t6
t7
t8
t9
Mode 1
AS Asserted Width
Address Valid to AS Deasserted
AS Deasserted to Address Invalid
R/W Valid to Both CS and DS Asserted
Address Valid and AS Asserted to DS Asserted (Read)
CS Asserted to DTACK Low Impedance
DS Asserted to DTACK Asserted
DS Asserted to AD Low Impedance (Read)
DTACK Asserted to Data Valid
DS Deasserted to CS Deasserted (Read)
DS Deasserted to R/W Invalid
DS Deasserted to DTACK Deasserted
CS Deasserted to DTACK High Impedance
DS Deasserted to Data Invalid (Read)
Address Valid and AS asserted to DS Asserted (Write)
Data Valid to DS Asserted
DS Deasserted to CS Deasserted (Write)
DS Deasserted to Data Valid
DS Asserted Width (Write)
CS Asserted to DS Asserted (Write)
(continued)
Parameter
—
—
—
—
—
Preliminary Data Sheet
Setup
(Min)
(ns)
10
10
—
40
—
10
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
Lucent Technologies Inc.
Lucent Technologies Inc.
October 2000
(Min)
Hold
(ns)
10
10
10
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
5
5
8
Delay
(Max)
(ns)
12
15
19
25
12
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—