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DM5407J
Hex Buffers with High Voltage Open-Collector Outputs
TL/F/6497
DM5407/DM7407
Hex
Buffers
with
High
Voltage
Open-Collector
Outputs
June 1989
DM5407/DM7407 Hex Buffers with
High Voltage Open-Collector Outputs
General Description
This device containssix independent gates eachof which
performsa buffer function. The open-collector outputsre-
quire external pull-up resistorsfor proper logical operation.
Pull-Up Resistor Equations
RMAXe VO (Min)b VOH (IOH)a N2(IIH)
RMINeVO (Max)bVOL
IOLb N3(IIL)
Where:N1 (IOH)e total maximum output high currentforall
outputstiedto pull-up resistor (IIH)e total maximum input high currentforall
inputstiedto pull-up resistor (IIL)e total maximum inputlow currentforall
inputstiedto pull-up resistor
Connection Diagram
Dual-In-Line Package
TL/F/6497–1
OrderNumber DM5407J,DM5407W, DM7407Mor DM7407N
SeeNS Package Number J14A,M14A, N14Aor W14B
Function TableeA
Input OutputeHigh Logic LeveleLow Logic Level
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
