參數(shù)資料
型號(hào)： BU-61705G4-142Q
廠商： DATA DEVICE CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, MQFP72
封裝： 1 X 1 INCH, GULL WING, PACKAGE-72
文件頁(yè)數(shù)： 5/52頁(yè)
文件大小： 367K
代理商： BU-61705G4-142Q
13
RESPONSE TIME
UNITS
REF
DESCRIPTION
CLOCK
FREQUENCY
MIN
TYP
MAX
t1
Mid-parity crossing of received command word delay to SA4-SA0, L-BRO,
T/R Bit, and WC/MC valid
ALL
1.5
s
t2
Mid-parity crossing of received command word delay to falling edge of
INCMD
ALL
2
s
t3
Mid-Parity crossing of receive command word delay to MSG_ERR and
HS_FAIL rising
ALL
1.5
s
t4
ILLEGAL, SRV_RQST, SSFLAG, BUSY input access time from SA4-SA0,
L-BRO, T/R, and CWC/MC valid
ALL
400
ns
t5
RT Sub-Address, L-BRO, and T/R Bit setup time prior to INCMD low
ALL
500
ns
t6
ILLEGAL, SRV_RQST, SSFLAG, BUSY valid time following falling edge
of INCMD
ALL
300
ns
t7
Mid-parity crossing to WC/CWC value of 1Fh
ALL
1
s
20 MHz
1.2
s
16 MHz
1.25
s
12 MHz
1.33
s
t8
Mid-parity crossing of first data word to DTREQ falling edge
10 MHz
1.4
s
20 MHz
200
ns
16 MHz
250
ns
12 MHz
333
ns
t9
WC/CWC data value of 1Fh held
10 MHz
400
ns
t10
CWC valid following falling edge of DTREQ
ALL
30
ns
t11
RT Response time.
ALL
4
6.5
7
s
t12
Delay from following mid-parity of last received data word to GBR low.
(see Notes 1, 2)
ALL
4
s
t13
Mid-parity crossing of all data words, except first data word, to DTREQ
falling edge
ALL
1
s
20 MHz
100
ns
16 MHz
125
ns
12 MHz
167
ns
t14
GBR pulse width
10 MHz
200
ns
20 MHz
75
ns
16 MHz
94
ns
12 MHz
125
ns
t15
CWC transition to WC prior to Mid-Sync crossing of Status response.
10 MHz
150
ns
t16
Mid-Sync crossing of status response to RT_FAIL rising
ALL
1.5
s
t17
Mid Parity crossing of status word to INCMD rising
ALL
3.0
s
Notes:
1. Assumes that DTGRT is tied to logic "0". If DTGRT is not connected to logic "0", the minimum time to drive GBR active low
will increase by the amount of the DTGRT(low) - to - DTGRT(low) delay.
2. The transceiver delays are measured at a range of 150 ns to 450 ns for the receiver
and 100 ns to 250 ns for the transmitter.
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