参数资料
型号: DS2154LNA2+
厂商: Maxim Integrated Products
文件页数: 19/124页
文件大小: 0K
描述: IC TXRX E1 5V 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
类型: 收发器
驱动器/接收器数: 1/1
规程: E1
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
DS21354/DS21554 3.3V/5V E1 Single-Chip Transceivers
115 of 124
20.2.
Nonmultiplexed Bus AC Characteristics
AC CHARACTERISTICS—NONMULTIPLEXED PARALLEL PORT (MUX = 0)
(VDD = 3.3V
±5%, TA = 0°C to +70°C; for DS21354L; VDD = 5.0V ±5%, TA = 0°C to +70°C for DS21554L;
VDD = 3.3V
±5%, TA = -40°C to +85°C for DS21354LN; VDD = 5.0V ±5%, TA = -40°C to +85°C for DS21554LN.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Setup Time for A0 to A7, Valid to
CS Active
t1
0
ns
Setup Time for
CS Active to Either
RD, WR, or DS Active
t2
0
ns
Delay Time from Either
RD or DS
Active to Data Valid
t3
75
ns
Hold Time from Either
RD, WR, or
DS Inactive to CS Inactive
t4
0
ns
Hold Time from
CS Inactive to Data
Bus Tri-State
t5
5
20
ns
Wait Time from Either
WR or DS
Active to Latch Data
t6
75
ns
Data Setup Time to Either
WR or
DS Inactive
t7
10
ns
Data Hold Time from Either
WR or
DS Inactive
t8
10
ns
Address Hold from Either
WR or DS
Inactive
t9
10
ns
Figure 20-4. Intel Bus Read AC Timing (BTS = 0/MUX = 0)
ADDRESS VALID
DATA VALID
A0–A7
D0–D7
WR
CS
RD
0ns MIN
75ns MAX
0ns MIN
5ns MIN/20ns MAX
t1
t2
t3
t4
t5
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