參數(shù)資料
型號： T7121-PL2
英文描述： T7121 HDLC Interface for ISDN
中文描述： T7121的HDLC接口用于ISDN
文件頁數(shù)： 51/68頁
文件大?。?/td> 685K
代理商： T7121-PL2
Lucent Technologies Inc.
51
Data Sheet
April 1997
T7121 HDLC Interface for ISDN (HIFI-64)
Timing Characteristics
(continued)
Multiplexed Address and Data
Both address and data on AD7—AD0.
* This is the time needed to update the receive FIFO status RQS (R4—B[6—0]).
See Figure 24 for data clock period specification.
Table 26. Multiplexed Address and Data
Symbol on
Diagram
A
B
C
D
E
F
G
H
I
J
Name
Parameter
Min
Max
Unit
tALHALL
tADVALL
tADHALL
tALLRWL
tCSLRWL
tDVWRH
tWRHDI
tWRLWRH
tRDLRDH
tRDLDV
ALE Pulse Width
Address Valid to ALE Low
Address Hold After ALE Low
ALE Low to
RD
or
WR
Low
CS
Low to
RD
or
WR
Low
Data Valid to
WR
High
Data Hold After
WR
High
WR
Pulse Width
RD
Pulse Width
RD
Low to Data Valid (R2 or R4)
RD
Low to Data Valid (all others)
RD
High to Data 3-state
WR
High to
CS
High
RD
High to
CS
High
WR
High to
WR
Low (minimum time
between writes)
RD
High to
RD
Low (minimum time
between reads); Read R3 to Read R4*
Master Clock Period
25
25
0
35
0
35
10
40
3 tMCLMCL
—
—
—
—
—
—
—
—
tMCLMCL + 40
tMCLMCL
25
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tMCLMCL + 40
—
K
L
M
N
tRDHDI
tWRHCSH
tRDHCSH
tWRHWRL
—
0
10
ns
ns
ns
ns
2 tMCLMCL
O
tRDHRDL
4 tMCLMCL
—
ns
P
tMCLMCL
83.3
<tDCLDCL
ns
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
T7122 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIANGULAR TYPE
T7-122A1 功能描述:撥動開關 ON NONE OFF 1 Pole Low-Level Bat Handle RoHS:否 制造商:OTTO 觸點形式: 開關功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類型: 安裝風格: 端子密封: 觸點電鍍: 照明:
T7-122B1 功能描述:撥動開關 ON NONE ON 1 Pole Low-Level Bat Handle RoHS:否 制造商:OTTO 觸點形式: 開關功能: 電流額定值: 電壓額定值 AC: 電壓額定值 DC: 功率額定值: 端接類型: 安裝風格: 端子密封: 觸點電鍍: 照明:
T7-122D1 制造商:OTTO 功能描述:Toggle Switches (ON) NONE ON 1 Pole Low-Level Bat Handle 制造商:OTTO Engineering Inc 功能描述:Switch Toggle (ON) None ON SPDT Bat Toggle Screw 16A 115VAC 28VDC Panel Mount with Threads
T7-122E1 制造商:OTTO 功能描述:Toggle Switches (ON) OFF (ON) 1 Pole Low-Level Bat Handle 制造商:OTTO Engineering Inc 功能描述:Switch Toggle (ON) OFF (ON) SPDT Bat Toggle Screw 16A 115VAC 28VDC Panel Mount with Threads
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