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MK4564N-15 데이터시트 PDF




United Technologies Mostek에서 제조한 전자 부품 MK4564N-15은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 MK4564N-15 자료 제공

부품번호 MK4564N-15 기능
기능 65536 x 1-Bit DRAM
제조업체 United Technologies Mostek
로고 United Technologies Mostek 로고


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MK4564N-15 데이터시트, 핀배열, 회로
l !UNITED
TECHNOLOGIES
MOSTEK
MEMORY
COMPONENTS
65,536 x 1-BIT DYNAMIC RAM
MK4564(P/N/J/E)-15/20
FEATURES
o Recognized industry standard 16-pin configuration from
Mostek
o Single +5V 10%) supply operation
o On chip substrate bias generator for optimum
performance
o Low power: 300 mW active, max
22 mW standby, max
o 150 ns access time, 260 ns cycle time (MK4564-15)
200 ns access time, 330 ns cycle time (MK4564-20)
o Extended DOUT hold using CAS control (Hidden Refresh)
o Common I/O capability using "early write"
o Read, Write, Read-Write, Read-Modify-Write and Page-
Mode capability
o All inputs TTL compatible, low capacitance, and
protected against static charge
o Scaled POLY 5™ technology
o 128 refresh cycles (2 msec)
Pin 9 is not needed for refresh
DESCRIPTION
The MK4564 is the new generation dynamic RAM.
Organized 65,536 words by 1 bit, it is the successor to the
industry standard MK4116. The MK4564 utilizes Mostek's
Scaled POLY 5 process technology as well as advanced
circuit techniques to provide wide operating margins, both
internally and to the system user. The use of dynamic
circuitry throughout, including the 512 sense amplifiers,
assures that power dissipation is minimized without any
sacrifice in speed or internal and external operating
margins. Refresh characteristics have been chosen to
maximize yield (low cost to user) while maintaining
compatibility between dynamic RAM generations.
PIN FUNCTIONS
Multiplexed address inputs (a feature dating back to the
industry standard MK4096, 1973) permit the MK4564 to
be packaged in a standard 16-pin DIP with only 15 pins
required for basic functionality. The MK4564 is designed to
be compatible with the JEDEC standards for the 64K x 1
dynamic RAM.
The output ofthe MK4564 can be held valid up to 10 ~sec by
holding CAS active low. This is quite useful since refresh
cycles can be performed while holding data valid from a
previous cycle. This feature is referred to as Hidden Refresh.
The 64K RAM from Mostek is the culmination of several
years of circuit and process development, proven in
predecessor products.
PIN OUT
Ao-A 7
CAS(~)
DIN (D)
DouT(Q)
Address Inputs
Column Address
Strobe
Data In
Data Out
RAS (RE)
WRITE (W)
Vee
Vss
N/C
Row Address
Strobe
Read/
Write Input
Power (5V)
GND
Not Connected
DUAL·IN·LlNE PACKAGE
16 v••
16 mice)
14 DourlQ)
13 As
12 A.
11 A.
10 A.
9 A7
LEAD LESS CHIP CARRIER
en0IN1D) N C \Iss
retl
1\2.._\
\1\ \181
I I L_.1
:1~
1,,-"
WRITelWI .!.J
l_J
L!..ts Dou~Q)
L~ AS
AO ~J
[~ A3
[I:2 A4
r;1 r~l r,~i r,~i
A1 'Icc A7 AI5
Available soon in MIL-STD-883 Class B (MKB).
IV·71




MK4564N-15 pdf, 반도체, 판매, 대치품
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS (Continued)
=(3,4,5,15) (O°C :::; TA:::; 70°C), Vcc 5.0V ± 10%
SYMBOL
STD ALT
PARAMETER
tWHCEL t RcS
tCEHWX t RCH
Read command set-up time
Read command hold time
referenced to CAS
tCELWX tWCH
tRELWX tWCR
Write command hold time
Write command hold time
referenced to RAS
tWLWH twp
tWLREH tRWL
tWLCEH tCWL
tOVCEL tos
tCELOX tOH
tRELOX . tOHR
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data-in set-up time
Data-in hold time
Data-in hold time
referenced to RAS
tCEHCEL tcp
(PC)
CAS precharge time
(for page-mode cycle only)
tRVRV tREF Refresh Period
tWLCEL twcs
tCELWL tcwo
tRELWL tRWO
tCEHCEL tCPN
WRITE command set-up time
CAS to WRITE delay
RAS to WRITE delay
CAS precharge time
MK4564-15 MK4564-20
MIN MAX MIN MAX UNITS NOTES
00
ns
00
35 55
ns 12
ns
100 140
25 45
35 55
35 55
00
30 55
ns
ns
ns
ns
ns 13
ns 13
95 140
ns
60 75
ns
22
ms
-10 -10
ns 14
55 80
ns 14
120 165
ns 14
30 35
ns
AC ELECTRICAL CHARACTERISTICS
(0° :::; TA:::; 70°C), Vee =5.0 V ± 10%
SYM
Cil
CI2
Co
PARAMETER
Input Capacitance (Ao - A 7), DIN
Input Capacitance RAS, CAS, WmTE
Output Capacitance (DOUT)
MAX UNITS NOTES
5 pF 16
10 pF
16
7 pF 16,17
IV-74

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MK4564N-15 전자부품, 판매, 대치품
PAGE MODE READ CYCLE
tRAs----------------------------··~l~
L1'--------:----+---------:--------------1 J ...---tRSH----;.f t..{
PAGE MODE WRITE CYCLE
:?-------------------~~~
CAS
ADDRESSES V IH
V IL
WRi'fE
V IH
V IL
DIN
Iv-n

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