Renesas HM62W16258B 4 m sram (256-kword â´ 16-bit) Datasheet

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HM62W16258B Series
4 M SRAM (256-kword × 16-bit)
ADE-203-976B (Z)
Rev. 2.0
Oct. 14, 1999
Description
The Hitachi HM62W16258B Series is 4-Mbit static RAM organized 262,144-word × 16-bit. HM62W16258B
Series has realized higher density, higher performance and low power consumption by employing Hi-CMOS
process technology. It offers low power standby power dissipation; therefore, it is suitable for battery backup
systems. It is packaged in standard 44-pin plastic TSOPII.
Features
•
•
•
•
•
•
•
Single 3.3 V supply: 3.3 V ± 0.3 V
Fast access time: 55 ns/70 ns (max)
Power dissipation:
 Active: 9.9 mW (typ)
 Standby: 3.3 µW (typ)
Completely static memory.
 No clock or timing strobe required
Equal access and cycle times
Common data input and output.
 Three state output
Battery backup operation.
HM62W16258B Series
Ordering Information
Type No.
Access time
Package
HM62W16258BLTT-5
HM62W16258BLTT-7
55 ns
70 ns
400-mil 44-pin plastic TSOPII (normal-bend type) (TTP-44DB)
HM62W16258BLTT-5SL
HM62W16258BLTT-7SL
55 ns
70 ns
2
HM62W16258B Series
Pin Arrangement
44-pin TSOP
A4
A3
A2
A1
A0
CS
I/O0
I/O1
I/O2
I/O3
VCC
VSS
I/O4
I/O5
I/O6
I/O7
WE
A17
A16
A15
A14
A13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A5
A6
A7
OE
UB
LB
I/O15
I/O14
I/O13
I/O12
VSS
VCC
I/O11
I/O10
I/O9
I/O8
NC
A8
A9
A10
A11
A12
(Top view)
Pin Description
Pin name
Function
A0 to A17
Address input
I/O0 to I/O15
Data input/output
CS
Chip select
WE
Write enable
OE
Output enable
LB
Lower byte select
UB
Upper byte select
VCC
Power supply
VSS
Ground
NC
No connection
3
HM62W16258B Series
Block Diagram
LSB
A4
V CC
A3
V SS
A15
A14
A16
A1
Row
decoder
•
•
•
•
•
Memory matrix
2,048 x 2,048
A2
A17
MSB
A0
A13
I/O0
Column I/O
•
•
Input
data
control
Column decoder
I/O15
LSB A7 A6A5 A8 A9A10A11A12MSB
•
•
CS
LB
UB
WE
OE
4
Control logic
•
•
HM62W16258B Series
Operation Table
CS
WE
OE
UB
LB
I/O0 to I/O7
I/O8 to I/O15
Operation
H
×
×
×
×
High-Z
High-Z
Standby
×
×
×
H
H
High-Z
High-Z
Standby
L
H
L
L
L
Dout
Dout
Read
L
H
L
H
L
Dout
High-Z
Lower byte read
L
H
L
L
H
High-Z
Dout
Upper byte read
L
L
×
L
L
Din
Din
write
L
L
×
H
L
Din
High-Z
Lower byte write
L
L
×
L
H
High-Z
Din
Upper byte write
L
H
H
×
×
High-Z
High-Z
Output disable
Note: H: V IH, L: VIL, ×: VIH or VIL
Absolute Maximum Ratings
Parameter
Symbol
Value
Power supply voltage relative to V SS
VCC
–0.5 to + 4.6
Unit
V
1
2
Terminal voltage on any pin relative to V SS
VT
–0.5* to V CC + 0.3*
V
Power dissipation
PT
1.0
W
Storage temperature range
Tstg
–55 to +125
°C
Storage temperature range under bias
Tbias
–10 to +85
°C
Notes: 1. VT min: –3.0 V for pulse half-width ≤ 30 ns.
2. Maximum voltage is +4.6 V.
DC Operating Conditions
Parameter
Symbol
Min
Typ
Max
Unit
Supply voltage
VCC
3.0
3.3
3.6
V
VSS
0
0
0
V
Input high voltage
VIH
2.0
—
VCC + 0.3
V
Input low voltage
VIL
–0.3
—
0.8
V
Ambient temperature range
Ta
0
—
70
°C
Note:
Note
1
1. VIL min: –3.0 V for pulse half-width ≤ 30 ns.
5
HM62W16258B Series
DC Characteristics
Parameter
Symbol Min
Typ*1
Max
Unit
Test conditions
Input leakage current
|ILI|
—
—
1
µA
Vin = VSS to V CC
Output leakage current
|ILO |
—
—
1
µA
CS = VIH or OE = VIH or WE = VIL, or
LB = UB =VIH ,, VI/O = VSS to V CC
Operating current
I CC
—
—
20
mA
CS = VIL, Others = VIH/VIL, I I/O = 0 mA
Average HM62W16258B-5 I CC1
operating
current
—
—
80
mA
Min. cycle, duty = 100%,
I I/O = 0 mA, CS = VIL,
Others = VIH/VIL
HM62W16258B-7 I CC1
—
—
70
mA
I CC2
—
3
15
mA
Cycle time = 1 µs, duty = 100%,
I I/O = 0 mA, CS ≤ 0.2 V,
V IH ≥ V CC – 0.2 V, VIL ≤ 0.2 V
Standby current
Standby current
Output high voltage
Output low voltage
—
—
0.3
mA
CS = VIH
2
—
1
40
µA
0 V ≤ Vin
CS ≥ V CC – 0.2 V
I SB1*3
—
1
20
µA
VOH
2.4
—
—
V
I OH = –1 mA
VCC – 0.2 —
—
V
I OH = –100 µA
—
—
0.4
V
I OL = 2 mA
—
—
0.2
V
I OL = 100 µA
I SB
I SB1*
VOL
Notes: 1. Typical values are at VCC = 3.0 V, Ta = +25°C and not guaranteed.
2. This characteristic is guaranteed only for L-version.
3. This characteristic is guaranteed only for L-SL version.
Capacitance (Ta = +25°C, f = 1.0 MHz)
Parameter
Symbol
Min
Typ
Max
Unit
Test conditions
Note
Input capacitance
Cin
—
—
8
pF
Vin = 0 V
1
Input/output capacitance
CI/O
—
—
10
pF
VI/O = 0 V
1
Note:
6
1. This parameter is sampled and not 100% tested.
HM62W16258B Series
AC Characteristics (Ta = 0 to +70°C, VCC = 3.3 V ± 0.3 V, unless otherwise noted.)
Test Conditions
•
•
•
•
•
Input pulse levels: VIL = 0.4 V, VIH = 2.4 V
Input rise and fall time: 5 ns
Input timing reference levels: 1.4 V
Output timing reference levels: 1.4 V/1.4 V (HM62W16258B-5)
: 2.0 V/0.8 V (HM62W16258B-7)
Output load (Including scope and jig)
,
,
,
,
,,,,
500Ω
Dout
50 pF
Read Cycle
1.4 V
HM62W16258B
-5
-7
Parameter
Symbol
Min
Max
Min
Max
Unit
Notes
Read cycle time
t RC
55
—
70
—
ns
Address access time
t AA
—
55
—
70
ns
Chip select access time
t ACS
—
55
—
70
ns
Output enable to output valid
t OE
—
35
—
40
ns
Output hold from address change
t OH
10
—
10
—
ns
LB, UB access time
t BA
—
55
—
70
ns
Chip select to output in low-Z
t CLZ
10
—
10
—
ns
2, 3
LB, UB enable to low-z
t BLZ
5
—
5
—
ns
2, 3
Output enable to output in low-Z
t OLZ
5
—
5
—
ns
2, 3
Chip deselect to output in high-Z
t CHZ
0
20
0
25
ns
1, 2, 3
LB, UB disable to high-Z
t BHZ
0
20
0
25
ns
1, 2, 3
Output disable to output in high-Z
t OHZ
0
20
0
25
ns
1, 2, 3
7
HM62W16258B Series
Write Cycle
HM62W16258B
-5
-7
Parameter
Symbol
Min
Max
Min
Max
Unit
Write cycle time
t WC
55
—
70
—
ns
Address valid to end of write
t AW
50
—
60
—
ns
Chip selection to end of write
t CW
50
—
60
—
ns
5
Write pulse width
t WP
40
—
50
—
ns
4
LB, UB valid to end of write
t BW
50
—
55
—
ns
Address setup time
t AS
0
—
0
—
ns
6
Write recovery time
t WR
0
—
0
—
ns
7
Data to write time overlap
t DW
25
—
30
—
ns
Data hold from write time
t DH
0
—
0
—
ns
Output active from end of write
t OW
5
—
5
—
ns
2
Output disable to output in High-Z t OHZ
0
20
0
25
ns
1, 2
Write to output in high-Z
0
20
0
25
ns
1, 2
t WHZ
Notes
Notes: 1. t CHZ, tOHZ , t WHZ and tBHZ are defined as the time at which the outputs achieve the open circuit
conditions and are not referred to output voltage levels.
2. This parameter is sampled and not 100% tested.
3. At any given temperature and voltage condition, t HZ max is less than tLZ min both for a given device
and from device to device.
4. A write occures during the overlap of a low CS, a low WE and a low LB or a low UB. A write begins
at the latest transition among CS going low, WE going low and LB going low or UB going low. A
write ends at the earliest transition among CS going high, WE going high and LB going high or UB
going high. t WP is measured from the beginning of write to the end of write.
5. t CW is measured from the later of CS going low to the end of write.
6. t AS is measured from the address valid to the beginning of write.
7. t WR is measured from the earliest of CS or WE going high to the end of write cycle.
8
HM62W16258B Series
Timing Waveform
Read Cycle
t RC
Address
Valid address
tAA
tACS
CS
tCLZ*2, 3
tCHZ*1, 2, 3
tBHZ*1, 2, 3
tBA
LB, UB
tBLZ*2, 3
tOHZ*1, 2, 3
tOE
OE
tOLZ*2, 3
Dout
High impedance
tOH
Valid data
9
HM62W16258B Series
Write Cycle (1) (WE Clock)
tWC
Valid address
Address
tWR*7
tCW*5
CS
tBW
LB, UB
tAW
tWP*4
WE
tAS*6
tDW
tDH
Valid data
Din
tWHZ*1, 2
tOW*2
High impedance
Dout
10
HM62W16258B Series
Write Cycle (2) (CS Clock, OE = VIH)
tWC
Valid address
Address
tAW
tAS*6
tWR*7
tCW*5
CS
tBW
LB, UB
tWP*4
WE
tDW
tDH
Valid data
Din
High impedance
Dout
11
HM62W16258B Series
Write Cycle (3) (LB, UB Clock, OE = VIH)
tWC
Valid address
Address
tAW
tCW*5
tWR*7
CS
tAS*6
tBW
LB, UB
tWP*4
WE
tDW
Valid data
Din
High impedance
Dout
12
tDH
HM62W16258B Series
Low VCC Data Retention Characteristics (Ta = 0 to +70°C)
Parameter
Symbol
Min
Typ* 4 Max
Unit
Test conditions*3
VCC for data retention
VDR
2.0
—
—
V
Vin ≥ 0V
(1) CS ≥ V CC – 0.2 V or
(2) LB = UB ≥ V CC – 0.2 V
CS ≤ 0.2 V
Data retention current
I CCDR*1
—
0.8
20
µA
VCC = 3.0 V, Vin ≥ 0V
(1) CS ≥ V CC – 0.2 V or
(2) LB = UB ≥ V CC – 0.2 V
CS ≤ 0.2 V
I CCDR*2
—
0.8
10
µA
Chip deselect to data
retention time
t CDR
0
—
—
ns
Operation recovery time
tR
t RC*5
—
—
ns
See retention waveform
Notes: 1. This characteristic is guaranteed only for L-version, 10 µA max. at Ta = 0 to +40°C.
2. This characteristic is guaranteed only for L-SL version, 5 µA max. at Ta = 0 to +40°C.
3. CS controls address buffer, WE buffer, OE buffer, LB, UB buffer and Din buffer. If CS controls data
retention mode, Vin levels (address, WE, OE, LB, UB, I/O) can be in the high impedance state. If
LB, UB controls data retention mode, LB, UB must be LB = UB ≥ V CC – 0.2 V, CS must be CS ≤ 0.2
V. The other input levels (address, WE, OE, I/O) can be in the high impedance state.
4. Typical values are at VCC = 3.0 V, Ta = +25˚C and not guaranteed.
5. t RC = read cycle time.
13
HM62W16258B Series
Low V CC Data Retention Timing Waveform (1) (CS Controlled)
t CDR
Data retention mode
tR
V CC
3.0 V
V DR
2.0 V
CS
0V
CS ≥ VCC – 0.2 V
Low V CC Data Retention Timing Waveform (2) (LB, UB Controlled)
t CDR
Data retention mode
V CC
3.0 V
V DR
2.0 V
LB, UB
0V
14
LB, UB ≥ VCC – 0.2 V
tR
HM62W16258B Series
Package Dimensions
HM62W16258BLTT Series (TTP-44DB)
Unit: mm
18.41
18.81 Max
23
10.16
44
1
0.80
22
0.80
0.30 ± 0.10
0.25 ± 0.05
0.13 M
11.76 ± 0.20
1.005 Max
Dimension including the plating thickness
Base material dimension
0.13 ± 0.05
0.10
0.17 ± 0.05
0.125 ± 0.04
1.20 Max
0° – 5°
0.50 ± 0.10
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
TTP-44DB
—
—
0.43 g
15
HM62W16258B Series
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,
copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual
property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of
bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic,
safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for
maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and
other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the
guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or
failure modes in semiconductor devices and employ systemic measures such as fail-safes, so that the
equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage
due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without
written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor
products.
Hitachi, Ltd.
Semiconductor & Integrated Circuits.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
URL
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: http:semiconductor.hitachi.com/
Europe
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Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm
Japan
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For further information write to:
Hitachi Semiconductor
(America) Inc.
179 East Tasman Drive,
San Jose,CA 95134
Tel: <1> (408) 433-1990
Fax: <1>(408) 433-0223
Hitachi Europe GmbH
Electronic components Group
Dornacher Straße 3
D-85622 Feldkirchen, Munich
Germany
Tel: <49> (89) 9 9180-0
Fax: <49> (89) 9 29 30 00
Hitachi Europe Ltd.
Electronic Components Group.
Whitebrook Park
Lower Cookham Road
Maidenhead
Berkshire SL6 8YA, United Kingdom
Tel: <44> (1628) 585000
Fax: <44> (1628) 778322
Hitachi Asia Pte. Ltd.
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Hitachi Tower
Singapore 049318
Tel: 535-2100
Fax: 535-1533
Hitachi Asia Ltd.
Taipei Branch Office
3F, Hung Kuo Building. No.167,
Tun-Hwa North Road, Taipei (105)
Tel: <886> (2) 2718-3666
Fax: <886> (2) 2718-8180
Hitachi Asia (Hong Kong) Ltd.
Group III (Electronic Components)
7/F., North Tower, World Finance Centre,
Harbour City, Canton Road, Tsim Sha Tsui,
Kowloon, Hong Kong
Tel: <852> (2) 735 9218
Fax: <852> (2) 730 0281
Telex: 40815 HITEC HX
Copyright © Hitachi, Ltd., 1998. All rights reserved. Printed in Japan.
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