HM5264165F-75/A60/B60
HM5264805F-75/A60/B60
HM5264405F-75/A60/B60
EO
Description
Features
•
•
•
•
•
•
•
•
64M LVTTL interface SDRAM
133 MHz/100 MHz
1-Mword
×
16-bit
×
4-bank/2-Mword
×
8-bit
×
4-bank
/4-Mword
×
4-bit
×
4-bank
PC/133, PC/100 SDRAM
The HM5264165F is a 64-Mbit SDRAM organized as 1048576-word
×
16-bit
×
4 bank. The HM5264805F
is a 64-Mbit SDRAM organized as 2097152-word
×
8-bit
×
4 bank. The HM5264405F is a 64-Mbit SDRAM
organized as 4194304-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.
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/full page
2 variations of burst sequence
Sequential (BL = 1/2/4/8/full page)
Interleave (BL = 1/2/4/8)
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.
L
E0135H10 (Ver. 1.0)
(Previous ADE-203-940B (Z))
Apr. 25, 2001
Pr
od
uc
t
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
•
Programmable
CAS
latency: 2/3
•
Byte control by DQM: DQM (HM5264805F/HM5264405F)
DQMU/DQML (HM5264165F)
•
Refresh cycles: 4096 refresh cycles/64 ms
•
2 variations of refresh
Auto refresh
Self refresh
•
Full page burst length capability
Sequential burst
Burst stop capability
EO
Type No.
HM5264165FTT-75*
1
HM5264165FTT-A60
HM5264165FTT-B60
*2
HM5264165FLTT-75
*1
HM5264165FLTT-A60
HM5264165FLTT-B60
*2
HM5264805FTT-75
*1
HM5264805FTT-A60
HM5264805FTT-B60
*2
HM5264805FLTT-75
*1
HM5264805FLTT-A60
HM5264805FLTT-B60
*2
HM5264405FTT-75
*1
HM5264405FTT-A60
HM5264405FTT-B60
*2
HM5264405FLTT-75
*1
HM5264405FLTT-A60
HM5264405FLTT-B60
*2
Note:
2
Ordering Information
1. 100 MHz operation at
CAS
latency = 2.
2. 66 MHz operation at
CAS
latency = 2.
L
Frequency
133 MHz
100 MHz
100 MHz
133 MHz
100 MHz
100 MHz
133 MHz
100 MHz
100 MHz
133 MHz
100 MHz
100 MHz
133 MHz
100 MHz
100 MHz
133 MHz
100 MHz
100 MHz
CAS
latency
3
2/3
3
3
2/3
3
3
2/3
3
3
2/3
3
3
2/3
3
3
2/3
3
Package
400-mil 54-pin plastic TSOP II (TTP-54D)
Pr
Data Sheet E0135H10
od
uc
t
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Pin Arrangement
(HM5264165F)
54-pin TSOP
V
CC
DQ0
V
CC
Q
DQ1
DQ2
V
SS
Q
DQ3
DQ4
V
CC
Q
DQ5
DQ6
V
SS
Q
DQ7
V
CC
DQML
WE
CAS
RAS
CS
A13
A12
A10
A0
A1
A2
A3
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
V
SS
DQ15
V
SS
Q
DQ14
DQ13
V
CC
Q
DQ12
DQ11
V
SS
Q
DQ10
DQ9
V
CC
Q
DQ8
V
SS
NC
DQMU
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
V
SS
EO
Pin Description
Pin name
A0 to A13
Function
Address input
Row address
Column address
DQ0 to DQ15
CS
RAS
CAS
Data-input/output
Chip select
L
Bank select address A12/A13 (BS) CKE
V
CC
V
SS
V
CC
Q
V
SS
Q
NC
Row address strobe command
Column address strobe command
Pr
(Top view)
A0 to A11
A0 to A7
Data Sheet E0135H10
3
od
Pin name
Function
WE
Write enable
CLK
Clock input
Clock enable
DQMU/DQML Input/output mask
uc
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
t
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Pin Arrangement
(HM5264805F)
EO
Pin Description
Pin name
A0 to A13
Function
Address input
Row address
Column address
DQ0 to DQ7
CS
RAS
CAS
Data-input/output
Chip select
4
54-pin TSOP
V
CC
DQ0
V
CC
Q
NC
DQ1
V
SS
Q
NC
DQ2
V
CC
Q
NC
DQ3
V
SS
Q
NC
V
CC
NC
WE
CAS
RAS
CS
A13
A12
A10
A0
A1
A2
A3
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
V
SS
DQ7
V
SS
Q
NC
DQ6
V
CC
Q
NC
DQ5
V
SS
Q
NC
DQ4
V
CC
Q
NC
V
SS
NC
DQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
V
SS
L
Bank select address A12/A13 (BS) CKE
V
CC
V
SS
V
CC
Q
V
SS
Q
NC
Row address strobe command
Column address strobe command
Pr
(Top view)
A0 to A11
A0 to A8
Data Sheet E0135H10
od
Pin name
Function
WE
Write enable
DQM
CLK
Clock input
Clock enable
Input/output mask
uc
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
No connection
t
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Pin Arrangement
(HM5264405F)
EO
Pin Description
Pin name
A0 to A13
Function
Address input
Row address
Column address
DQ0 to DQ3
CS
RAS
CAS
Data-input/output
Chip select
54-pin TSOP
V
CC
NC
V
CC
Q
NC
DQ0
V
SS
Q
NC
NC
V
CC
Q
NC
DQ1
V
SS
Q
NC
V
CC
NC
WE
CAS
RAS
CS
A13
A12
A10
A0
A1
A2
A3
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
V
SS
NC
V
SS
Q
NC
DQ3
V
CC
Q
NC
NC
V
SS
Q
NC
DQ2
V
CC
Q
NC
V
SS
NC
DQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
V
SS
L
Bank select address A12/A13 (BS) CKE
V
CC
V
SS
V
CC
Q
V
SS
Q
NC
Row address strobe command
Column address strobe command
Pr
(Top view)
A0 to A11
A0 to A9
Data Sheet E0135H10
5
od
Pin name
Function
WE
Write enable
DQM
CLK
Clock input
Clock enable
No connection
Input/output mask
Power for internal circuit
Ground for internal circuit
Power for DQ circuit
Ground for DQ circuit
uc
t
stm32/stm8
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
