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What is HM5257165B-A6?

This electronic component, produced by the manufacturer "Elpida Memory", performs the same function as "512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 16-bit 4-bank/16-Mword 8-bit 4-bank /32-Mword 4-bit 4-bank PC/133/ PC/100 SDRAM".


HM5257165B-A6 Datasheet PDF - Elpida Memory

Part Number HM5257165B-A6
Description 512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 16-bit 4-bank/16-Mword 8-bit 4-bank /32-Mword 4-bit 4-bank PC/133/ PC/100 SDRAM
Manufacturers Elpida Memory 
Logo Elpida Memory Logo 


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No Preview Available ! HM5257165B-A6 datasheet, circuit

HM5257165B-75/A6
HM5257805B-75/A6
HM5257405B-75/A6
512M LVTTL interface SDRAM
133 MHz/100 MHz
8-Mword × 16-bit × 4-bank/16-Mword × 8-bit × 4-bank
/32-Mword × 4-bit × 4-bank
PC/133, PC/100 SDRAM
E0081H10 (1st edition)
(Previous ADE-203-1237A (Z))
Jan. 31, 2001
Description
The HM5257165B is a 512-Mbit SDRAM organized as 8388608-word × 16-bit × 4 bank. The HM5257805B
is a 512-Mbit SDRAM organized as 16777216-word × 8-bit × 4 bank. The HM5257405B is a 512-Mbit
SDRAM organized as 33554432-word × 4-bit × 4 bank. All inputs and outputs are referred to the rising edge
of the clock input. It is packaged in standard 54-pin plastic TSOP II.
Features
3.3 V power supply
Clock frequency: 133 MHz/100 MHz (max)
LVTTL interface
Single pulsed RAS
4 banks can operate simultaneously and independently
Burst read/write operation and burst read/single write operation capability
Programmable burst length: 1/2/4/8
2 variations of burst sequence
Sequential (BL = 1/2/4/8)
Interleave (BL = 1/2/4/8)
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.

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HM5257165B-A6 equivalent
HM5257165B/HM5257805B/HM5257405B-75/A6
Pin Arrangement (HM5257405B)
VCC
NC
VCCQ
NC
DQ0
VSSQ
NC
NC
VCCQ
NC
DQ1
VSSQ
NC
VCC
NC
WE
CAS
RAS
CS
BA0
BA1
A10
A0
A1
A2
A3
VCC
54-pin TSOP
1 54
2 53
3 52
4 51
5 50
6 49
7 48
8 47
9 46
10 45
11 44
12 43
13 42
14 41
15 40
16 39
17 38
18 37
19 36
20 35
21 34
22 33
23 32
24 31
25 30
26 29
27 28
(Top view)
VSS
NC
VSSQ
NC
DQ3
VCCQ
NC
NC
VSSQ
NC
DQ2
VCCQ
NC
VSS
NC
DQM
CLK
CKE
A12
A11
A9
A8
A7
A6
A5
A4
VSS
Pin Description
Pin name Function
Pin name
A0 to A12, Address input
BA0, BA1
WE
Row address
A0 to A12
DQM
Column address A0 to A9, A11 A12 CLK
Bank select address BA0/BA1 (BS) CKE
DQ0 to DQ3 Data-input/output
CS Chip select
RAS
Row address strobe command
CAS
Column address strobe command
VCC
VSS
VCCQ
VSSQ
NC
Function
Write enable
Input/output mask
Clock input
Clock enable
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
Data Sheet E0081H10
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HM5257165B-A6 electronic component.


Information Total 30 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
HM5257165B-A6The function is 512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 16-bit 4-bank/16-Mword 8-bit 4-bank /32-Mword 4-bit 4-bank PC/133/ PC/100 SDRAM. Elpida MemoryElpida Memory

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