HM62832HLP PDF даташит
Спецификация HM62832HLP изготовлена «Hitachi» и имеет функцию, называемую «32768-word x 8-bit High Speed CMOS Static RAM». |
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Детали детали
Номер произв | HM62832HLP |
Описание | 32768-word x 8-bit High Speed CMOS Static RAM |
Производители | Hitachi |
логотип |
17 Pages
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HM62832H Series
32768-word × 8-bit High Speed CMOS Static RAM
Features
• High speed: Fast access time 25/35/45 ns (max)
• Low power
Active: 300 mW (typ)
Standby: 10 µW (typ) (L-version)
• Single 5 V supply
• Completely static memory
No clock or timing strobe required
• Equal access and cycle times
• Common data input and output – Three state output
• Directly TTL compatible – All inputs and outputs
Ordering Information
Type No.
Access Time
HM62832HP-25
HM62832HP-35
HM62832HP-45
25 ns
35 ns
45 ns
HM62832HLP-25
HM62832HLP-35
HM62832HLP-45
25 ns
35 ns
45 ns
HM62832HJP-25
HM62832HJP-35
HM62832HJP-45
25 ns
35 ns
45 ns
HM62832HLJP-25 25 ns
HM62832HLJP-35 35 ns
HM62832HLJP-45 45 ns
Package
300-mil 28-pin plastic DIP (DP-28NA)
300-mil 28-pin plastic SOJ (CP-28DN)
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HM62832H Series
Pin Arrangement
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O 0
I/O 1
I/O 2
VSS
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
(Top view)
VCC
WE
A13
A8
A9
A11
OE
A10
CS
I/O 7
I/O 6
I/O 5
I/O 4
I/O 3
Pin Description
Pin Name
A0 – A14
I/O0 – I/O7
CS
WE
OE
VCC
VSS
Function
Address
Input/output
Chip select
Write enable
Output enable
Power supply
Ground
2
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Block Diagram
A13
A14
A12
A7
A6
X
address
A5 buffer
A4
A3
Row
decoder
HM62832H Series
Memory array
512 × 512
VCC
VSS
I/O 0
I/O 7
WE
OE
CS
I/O
buffer
Column I/O
Column decoder
Y address buffer
A2 A1 A0 A10 A11 A9 A8
Absolute Maximum Ratings
Parameter
Voltage on any pin relative to VSS
Power dissipation
Operating temperature
Storage temperature
Storage temperature under bias
Note: 1. –2.5 V for pulse width ≤ 10 ns
Symbol
VT
PT
Topr
Tstg
Tbias
Value
–0.5 *1 to +7.0
1.0
0 to +70
–55 to +125
–10 to +85
Unit
V
W
°C
°C
°C
Function Table
CS OE
HX
LL
LH
LL
Note: X: H or L
WE
X
H
L
L
Mode
Not selected
Read
Write
VCC Current
ISB, ISB1
I CC
I CC
I CC
I/O Pin
High-Z
Dout
Din
Din
Ref. Cycle
Read cycle (1) to (3)
Write cycle (1)
Write cycle (2)
3
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Номер в каталоге | Описание | Производители |
HM62832HLJP | 32768-word x 8-bit High Speed CMOS Static RAM | Hitachi |
HM62832HLP | 32768-word x 8-bit High Speed CMOS Static RAM | Hitachi |
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DataSheet26.com | 2020 | Контакты | Поиск |