UPD4481181GF-C85 datasheet(5/28 Pages) NEC

Part #	UPD4481181GF-C85

Description	8M-BIT ZEROSB SRAM FLOW THROUGH OPERATION

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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Data Sheet M15561EJ3V0DS

µPD4481161, 4481181, 4481321, 4481361

Pin Identifications

[

µµµµPD4481161GF, µµµµPD4481181GF]

Symbol

Pin No.

Description

A0 to A18

37, 36, 35, 34, 33, 32, 100, 99, 82, 81,

Synchronous Address Input

44, 45, 46, 47, 48, 49, 50, 83, 80

I/O1 to I/O16

58, 59, 62, 63, 68, 69, 72, 73, 8, 9, 12, 13,

Synchronous Data In,

18, 19, 22, 23

Synchronous / Asynchronous Data Out

I/OP1, NC

Note

74

Synchronous Data In (Parity),

I/OP2, NC

Note

24

Synchronous / Asynchronous Data Out (Parity)

ADV

85

Synchronous Address Load / Advance Input

/CE, CE2, /CE2

98, 97, 92

Synchronous Chip Enable Input

/WE

88

Synchronous Write Enable Input

/BW1, /BW2

93, 94

Synchronous Byte Write Enable Input

/G

86

Asynchronous Output Enable Input

CLK

89

Clock Input

/CKE

87

Synchronous Clock Enable Input

MODE

31

Asynchronous Burst Sequence Select Input

Have to tied to VDD or VSS during normal operation

ZZ

64

Asynchronous Power Down State Input

VDD

15, 16, 41, 65, 91

Power Supply

VSS

14, 17, 40, 66, 67, 90

Ground

VDDQ

4, 11, 20, 27, 54, 61, 70, 77

Output Buffer Power Supply

VSSQ

5, 10, 21, 26, 55, 60, 71, 76

Output Buffer Ground

NC

1, 2, 3, 6, 7, 25, 28, 29, 30, 38, 39, 42, 43,

No Connection

51, 52, 53, 56, 57, 75, 78, 79, 84, 95, 96

Note NC (No Connection) is used in the

µPD4481161GF.

I/OP1 and I/OP2 are used in the

µPD4481181GF.

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UPD4481181GF-C85 Datasheet(PDF) 5 Page - NEC

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