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Teilenummer | R1RP0404DGE-2PR |
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Beschreibung | 4M High Speed SRAM | |
Hersteller | Renesas | |
Logo | ||
Gesamt 13 Seiten R1RP0404D Series
4M High Speed SRAM (1-Mword × 4-bit)
REJ03C0116-0100Z
Rev. 1.00
Mar.12.2004
Description
The R1RP0404D is a 4-Mbit high speed static RAM organized 1-Mword × 4-bit. It has realized high speed
access time by employing CMOS process (6-transistor memory cell) and high speed circuit designing
technology. It is most appropriate for the application which requires high speed and high density memory,
such as cache and buffer memory in system. The R1RP0404D is packaged in 400-mil 32-pin SOJ for high
density surface mounting.
Features
• Single 5.0 V supply: 5.0 V ± 10%
• Access time 12 ns (max)
• Completely static memory
No clock or timing strobe required
• Equal access and cycle times
• Directly TTL compatible
All inputs and outputs
• Operating current: 130 mA (max)
• TTL standby current: 40 mA (max)
• CMOS standby current: 5 mA (max)
: 1.0 mA (max) (L-version)
• Data retention current: 0.5 mA (max) (L-version)
• Data retention voltage: 2.0 V (min) (L-version)
• Center VCC and VSS type pin out
Rev.1.00, Mar.12.2004, page 1 of 11
R1RP0404D Series
AC Characteristics
(Ta = 0 to +70°C, VCC = 5.0 V ± 10%, unless otherwise noted.)
Test Conditions
• Input pulse levels: 3.0 V/0.0 V
• Input rise and fall time: 3 ns
• Input and output timing reference levels: 1.5 V
• Output load: See figures (Including scope and jig)
1.5 V
DOUT Zo = 50 Ω
RL = 50 Ω
DOUT
30 pF
255 Ω
5V
480 Ω
5 pF
Output load (A)
Output load (B)
(for tCLZ, tOLZ, tCHZ, tOHZ, tWHZ, and tOW)
Read Cycle
Parameter
Read cycle time
Address access time
Chip select access time
Output enable to output valid
Output hold from address change
Chip select to output in low-Z
Output enable to output in low-Z
Chip deselect to output in high-Z
Output disable to output in high-Z
Symbol
tRC
t
AA
t
ACS
t
OE
tOH
tCLZ
tOLZ
tCHZ
tOHZ
R1RP0404D
-2
Min
12
3
3
0
Max
12
12
6
6
6
Unit Notes
ns
ns
ns
ns
ns
ns 1
ns 1
ns 1
ns 1
Rev.1.00, Mar.12.2004, page 6 of 11
6 Page Revision History
R1RP0404D Series Data Sheet
Rev. Date
0.01 Oct. 01, 2003
1.00 Mar.12.2004
Contents of Modification
Page Description
Initial issue
Deletion of Preliminary
12 Page | ||
Seiten | Gesamt 13 Seiten | |
PDF Download | [ R1RP0404DGE-2PR Schematic.PDF ] |
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