參數(shù)資料
型號(hào): HB52E88EM
廠商: Hitachi,Ltd.
英文描述: 64 MB Unbuffered SDRAM DIMM(64MB 未緩沖同步DRAM DIMM)
中文描述: 64 MB的無(wú)緩沖SDRAM的內(nèi)存(64MB的未緩沖同步的DRAM內(nèi)存)
文件頁(yè)數(shù): 11/64頁(yè)
文件大?。?/td> 2741K
代理商: HB52E88EM
HB52E88EM-F, HB52E89EM-F, HB52E168EN-F, HB52E169EN-F
11
4.
Regarding byte93 and 94, based on JEDEC Committee Ballot JC42.5-97-135. BCD is “Binary
Coded Decimal”.
5. All bits of 99 through 125 are not defined (“1” or “0”).
6. Bytes 95 through 98 are assembly serial number.
Block Diagram (HB52E88EM)
DQMB0
D1
I/O0
to I/O7
I/O0
to I/O7
DQM
DQM
DQ0 to DQ7
DQ8 to DQ15
DQMB1
* D0 to D7: HM5264805
U0: 2-kbit EEPROM
C0 to C7: 0.33
μ
F
C8 to C15: 0.10
μ
F
C100, C101: 10 pF
N0 to N17: Network registor 10
R100 to R103: 10
R1: 47 k
V
CC
(D0 to D7, U0)
V
SS
(D0 to D7, U0)
Serial PD
SDA
WP
R1
V
SS
A0
A1
A2
SA0 SA1 SA2
V
SS
V
CC
SCL
U0
SDA
SCL
Notes :
1. The SDA pull-up resistor is required due to
the open-drain/open-collector output.
2. The SCL pull-up resistor is recommended
because of the normal SCL line inacitve
"high" state.
R100
R101
CK0
CK1, CK3
CLK
:4 SDRAMs + 3.3 pF cap
CLK
:4 SDRAMs + 3.3 pF cap
8 N0, N1
8 N2, N3
DQMB4
DQ32 to DQ39
DQ40 to DQ47
DQMB5
8
N8, N9
8 N10, N11
CKE0
CKE (D0 to D7)
CK2
R102, R103
C100, C101
C8 to C15
C0 to C7
RE
,
CE
,
W
CS
CS
D5
D4
D0
I/O0
to I/O7
I/O0
to I/O7
DQM
DQM
CS
CS
S0
S2
DQMB2
D3
I/O0
to I/O7
I/O0
to I/O7
DQM
DQM
DQ16 to DQ23
DQ24 to DQ31
DQMB3
8 N4, N5
8 N6, N7
DQMB6
DQ48 to DQ55
DQ56 to DQ63
DQMB7
8 N12, N13
8 N14, N15
CS
CS
D7
D6
D2
I/O0
to I/O7
I/O0
to I/O7
DQM
DQM
CS
CS
A0 to A13
相關(guān)PDF資料
PDF描述
HB52E89EM 64 MB Unbuffered SDRAM DIMM(64MB 未緩沖同步DRAM DIMM)
HB52E169E12 128 MB Registered SDRAM DIMM(128 MB 寄存同步DRAM DIMM)
HB52E648EN 512 MB Unbuffered SDRAM DIMM(512 MB 未緩沖同步DRAM DIMM)
HB52E649EN 512 MB Unbuffered SDRAM DIMM(512 MB 未緩沖同步DRAM DIMM)
HB52E649E12 THERMISTOR, NTC; Series:B575; Thermistor type:NTC; Resistance:10kR; Tolerance, resistance:+/-1%; Beta value:3450; Temperature, lower limit, beta value:0(degree C); Temperature, upper limit, beta value:100(degree C); Temp, op. RoHS Compliant: Yes
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