参数资料
型号: XR16M654DIV64-F
厂商: Exar Corporation
文件页数: 38/58页
文件大小: 0K
描述: IC UART FIFO 64B QUAD 64LQFP
标准包装: 160
特点: *
通道数: 4,QUART
FIFO's: 64 字节
规程: RS232
电源电压: 1.62 V ~ 3.63 V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
XR16M654/654D
43
REV. 1.0.0
1.62V TO 3.63V QUAD UART WITH 64-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
TA = -40
O TO +85OC, VCC IS 1.62 TO 3.63V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
LIMITS
1.8V ± 10%
MIN
MAX
LIMITS
2.5V ± 10%
MIN
MAX
LIMITS
3.3V ± 10%
MIN
MAX
UNIT
XTAL1
UART Crystal Frequency
24
MHz
ECLK
External Clock Frequency
32
50
64
MHz
TECLK
External Clock Time Period
15
10
7
ns
TAS
Address Setup Time (16 Mode)
0
ns
TAH
Address Hold Time (16 Mode)
0
ns
TCS
Chip Select Width (16 Mode)
100
65
50
ns
TRD
IOR# Strobe Width (16 Mode)
100
65
50
ns
TDY
Read Cycle Delay (16 Mode)
100
65
50
ns
TRDV
Data Access Time (16 Mode)
95
60
45
ns
TDD
Data Disable Time (16 Mode)
15
ns
TWR
IOW# Strobe Width (16 Mode)
100
65
50
ns
TDY
Write Cycle Delay (16 Mode)
100
65
50
ns
TDS
Data Setup Time (16 Mode)
15
10
ns
TDH
Data Hold Time (16 Mode)
3
ns
TADS
Address Setup (68 Mode)
0
ns
TADH
Address Hold (68 Mode)
0
ns
TRWS
R/W# Setup to CS# (68 Mode)
0
ns
TRDA
Data Access Time (68 mode)
95
60
45
ns
TRDH
Data Disable Time (68 mode)
15
ns
TWDS
Write Data Setup (68 mode)
15
10
ns
TWDH
Write Data Hold (68 Mode)
3
5
ns
TRWH
CS# De-asserted to R/W# De-
asserted (68 Mode)
3
ns
TCSL
CS# Strobe Width (68 Mode)
100
65
50
ns
TCSD
CS# Cycle Delay (68 Mode)
100
65
50
ns
TWDO
Delay From IOW# To Output
50
ns
TMOD
Delay To Set Interrupt From MODEM
Input
50
ns
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