参数资料
型号: IDT74FCT162511ATPAG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 5/10页
文件大小: 0K
描述: IC REGISTERD TRCVR 16BIT 56TSSOP
标准包装: 2,000
系列: 74FCT
逻辑类型: 寄存收发器,非反相
元件数: 1
每个元件的位元数: 16
输出电流高,低: 24mA,24mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 带卷 (TR)
其它名称: 74FCT162511ATPAG8
4
MILITARYANDINDUSTRIALTEMPERATURERANGES
IDT54/74FCT162511AT/CT
FASTCMOS16-BITREGISTERED/LATCHEDTRANSCEIVER
NOTES:
1. Conditions shown are for
GEN/CHK = H, OEAB = L, OEBA = H.
2. A-to-B parity checking is shown. B-to-A parity checking is similar but uses
OEBA = L, OEAB
= H and errors will be indicated on
PERA.
3. In parity checking mode the parity bits will be transmitted unchanged along with the
corresponding data regardless of parity errors (PB1 = PA1).
4. The response shown is for LEAB = H. If LEAB = L then CLKAB will control as an edge triggered
clock.
5. Conditions shown are for the byte A0–A7 and PA1. The byte A8–A15 and PA2 is similiar.
6. The parity error flag
PERB is a combined flag for both bytes A0–A7 and A8–A15. If a parity
error occurs on either byte
PERB will go low. PERB is an open drain output which must
be externally pulled up to achieve a logic HIGH.
NOTES:
1. Conditions shown are for
GEN/CHK = L, OEAB = L, OEBA = H.
2. A-to-B parity checking is shown. B-to-A is capable of parity checking while A-to-B
is performing generation. B-to-A will not generate parity.
3. The response shown is for LEAB = H. If LEAB = L then CLKAB will control as an edge
triggered clock.
4. Conditions shown are for the byte A–A7. The byte A8–A15 is similiar but will output
the parity on PB2.
5. The error flag
PERB will remain in a high state during parity generation.
FUNCTION TABLE(1, 4)
NOTES:
1. A-to-B data flow is shown. B-to-A data flow is similar but uses
OEBA, LEBA,
and CLKBA.
2. Output level before the indicated steady-state input conditions were established.
3. Output level before the indicated steady-state input conditions were established,
provided that CLKAB was HIGH before LEAB went LOW.
4. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
Z = High-impedance
↑ = LOW-to-HIGH Transition
Inputs
Outputs
OEAB
LEAB
CLKAB
Ax
Bx
HX
X
Z
LH
X
L
LH
X
H
LL
LL
HH
LL
L
X
B(2)
LL
H
X
B(3)
A0 – A7
Number of inputs that are high
ODD/
EVEN
PB1
1, 3, 5 or 7
L
H
1, 3, 5 or 7
H
L
0, 2, 4, 6 or 8
L
0, 2, 4, 6 or 8
H
A0 – A7 and PA1(5)
Number of inputs that are high
ODD/
EVEN
PERB
1, 3, 5, 7 or 9
L
1, 3, 5, 7 or 9
H
H(6)
0, 2, 4, 6 or 8
L
H(6)
0, 2, 4, 6 or 8
H
L
FUNCTION TABLE
(PARITY CHECKING) (1, 2, 3, 4)
FUNCTION TABLE
(PARITY GENERATION) (1, 2, 3, 4, 5)
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