参数资料
型号: PM4314
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: QUAD T1/E1 LINE INTERFACE DEVICE
中文描述: DATACOM, PCM TRANSCEIVER, PQFP128
封装: 14 X 20 MM, PLASTIC, QFP-128
文件页数: 153/170页
文件大小: 823K
代理商: PM4314
PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
141
17
MICROPROCESSOR INTERFACE TIMING CHARACTERISTICS
T
A
= -40°C to +85°C, V
DD
= 5 V ±5%
Table 17
- Microprocessor Interface Read Access (Figure 29)
Symbol
Parameter
Min
Max.
Units
tS
AR
Address to Valid Read Set-up
Time
10
ns
tH
AR
Address to Valid Read Hold Time
5
ns
tS
ALR
Address to Latch Set-up Time
10
ns
tH
ALR
Address to Latch Hold Time
10
ns
tV
L
Valid Latch Pulse Width
20
ns
tS
LR
Latch to Read Set-up
0
ns
tH
LR
Latch to Read Hold
5
ns
tP
RD
Valid Read to Valid Data
Propagation Delay
80
ns
tZ
RD
Valid Read Negated to Output
Tristate
20
ns
tZ
INTH
Valid Read Negated to INTB open
50
ns
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