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N74F40D N74F40D N74F40D Datasheet

Pin Name Function
AO-A9 Address inputs - Row address AO-A9 - Column address AO-A9 - Refresh address AO-A9
DQ1DQ16 Data-in / data-out
RAS Row address strobe
UCAS, LCAS Column address strobe
WE Write enable
OE Output enable
Vcc Power (+5 V or + 3.3V)
Vss Ground


N74F40D N74F40D N74F40D Price

jo r iA
-1I jm A
1 m
-40 0 40 80 120 160 200 Ambient temperature Ta (oC)


N74F40D N74F40D N74F40D on stock

PARAM ETER SYMBOL VALUE UNIT
Junction to Ambient (a) ROJA 113 0 c/w
Junction to Ambient (b) ROJA 73 0 c/w


Instruction Set
Instruction 13 12 11 10 R1 RO WCRl/ P1 WCRO/ PO Operation
Read Wiper Control Register 1 0 0 1 0 0 1/0 1/0 Read the contents of the Wiper Control Register pointed to by Pl-PO
Write Wiper Control Register 1 0 1 0 0 0 1/0 1/0 Write new value to the Wiper Control Register pointed to by Pl-PO
Read Data Register 1 0 1 1 1/0 1/0 1/0 1/0 Read the contents of the Data Register pointed to by Pl-PO and Rl-RO
Write Data Register 1 1 0 0 1/0 1/0 1/0 1/0 Write new value to the Data Register pointed to by Pl-PO and Rl-RO
XFR Data Register to Wiper Control Register 1 1 0 1 1/0 1/0 1/0 1/0 Transfer the contents of the Data Register pointed to by Pl-PO and Rl-RO to its associated Wiper Control Register
XFR Wiper Control Register to Data Register 1 1 1 0 1/0 1/0 1/0 1/0 Transfer the contents of the Wiper Control Register pointed to by Pl-PO to the Data Register pointed to by Rl-RO
Gang XFR Data Registers to Wiper Control Registers 0 0 0 1 1/0 1/0 0 0 Transfer the contents of the Data Registers pointed to by Rl-RO of both pots to their respective Wiper Control Registers
Gang XFR Wiper Control Registers to Data Register 1 0 0 0 1/0 1/0 0 0 Transfer the contents of both Wiper Control Registers to their respective data Registers pointed to by Rl-RO of both pots
Increment/Decrement Wiper Control Register 0 0 1 0 0 0 1/0 1/0 Enable Increment/decrement of the Control Latch pointed to by Pl-PO