Rev.1.00, Mar.12.2004, page 1 of 11
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)
• Cente r VCC and VSS type pin out
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 2 of 11
Ordering Information
Type No. Access time Package
R1RP0404DGE-2PR 12 ns 400-mil 32-pin plastic SOJ (32P0K)
R1RP0404DGE-2LR 12 ns
Pin Arrangement
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A0
A1
A2
A3
A4
CS#
I/O1
V
CC
V
SS
I/O2
WE#
A5
A6
A7
A8
A9
A19
A18
A17
A16
A15
OE#
I/O4
V
SS
V
CC
I/O3
A14
A13
A12
A11
A10
NC
(Top view)
32-pin SOJ
Pin Description
Pin name Function
A0 to A19 Address input
I/O1 to I/O4 Data input/output
CS# Chip select
OE# Output enable
WE# Write enable
VCC Power supply
VSS Ground
NC No connection
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 3 of 11
Block Diagram
I/O1
.
.
.
I/O4
WE#
Input
data
control
Column I/O
Column decoder
1024-row × 64-column ×
16-block × 4-bit
(4,194,304 bits)
Row
decoder
OE#
CS#
CS
CS
VCC
VSS
CS
A14
A13
A12
A5
A6
A7
A11
A10
A3
A1
A8 A9 A19 A17 A18 A15 A0 A2 A4 A16
(LSB) (MSB)
(LSB)
(MSB)
Internal
voltage
generator
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 4 of 11
Operation Table
CS# OE# WE# Mode VCC current I/O Ref. cycle
H × × Standby ISB, ISB1 High-Z
L H H Output disable ICC High-Z
L L H Read ICC D
OUT Read cycle (1) to (3)
L H L Write ICC D
IN Write cycle (1)
L L L Write ICC D
IN Write cycle (2)
Note: H: VIH, L: VIL, ×: VIH or VIL
Absolute Maximum Ratings
Parameter Symbol Value Unit
Supply voltage relative to VSS V
CC −0.5 to +7.0 V
Voltage on any pin relative to VSS V
T −0.5*1 to VCC + 0.5*2 V
Power dissipation PT 1.0 W
Operating temperature Topr 0 to +70 °C
Storage temperature Tstg −55 to +125 °C
Storage temperature under bias Tbias −10 to +85 °C
Notes: 1. VT (min) = −2.0 V for pulse width (under shoot) ≤ 6 ns.
2. VT (max) = VCC + 2.0 V for pulse width (over shoot) ≤ 6 ns.
Recommended DC Operating Conditions
(Ta = 0 to +70°C)
Parameter Symbol Min Typ Max Unit
Supply voltage VCC*3 4.5 5.0 5.5 V
V
SS*4 0 0 0 V
Input voltage VIH 2.2 V
CC + 0.5*2 V
V
IL −0.5*1 0.8 V
Notes: 1. VIL (min) = −2.0 V for pulse width (under shoot) ≤ 6 ns.
2. VIH (max) = VCC + 2.0 V for pulse width (over shoot) ≤ 6 ns.
3. The supply voltage with all VCC pins must be on the same level.
4. The supply voltage with all VSS pins must be on the same level.
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 5 of 11
DC Characteristics
(Ta = 0 to +70°C, VCC = 5.0 V ± 10%, VSS = 0 V)
Parameter Symbol Min Max Unit Test conditions
Input leakage current IILII 2 µA VIN = VSS to VCC
Output leakage current IILOI 2 µA VIN = VSS to VCC
Operation power supply current ICC 130 mA Min cycle
CS# = VIL, lOUT = 0 mA
Other inputs = VIH/VIL
Standby power supply current ISB 40 mA Min cycle, CS# = VIH,
Other inputs = VIH/VIL
I
SB1 5 mA f = 0 MHz
VCC ≥ CS# ≥ VCC − 0.2 V,
(1) 0 V ≤ VIN ≤ 0.2 V or
(2) VCC ≥ VIN ≥ VCC − 0.2 V
*1 1.0*1
Output voltage VOL 0.4 V IOL = 8 mA
V
OH 2.4 V IOH = −4 mA
Note: 1. This characteristics is guaranteed only for L-version.
Capacitance
(Ta = +25°C, f = 1.0 MHz)
Parameter Symbol Min Max Unit Test conditions
Input capacitance*1 C
IN 6 pF VIN = 0 V
Input/output capacitance*1 C
I/O 8 pF VI/O = 0 V
Note: 1. This parameter is sampled and not 100% tested.
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 6 of 11
AC Characteristics
(Ta = 0 to +70°C, VCC = 5.0 V ± 10%, unless otherwise noted.)
Test Condit ions
• 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)
D
OUT
255 Ω
480 Ω
5 V
5 pF
Output load (B)
(for t
CLZ
, t
OLZ
, t
CHZ
, t
OHZ
, t
WHZ
, and t
OW
)
Output load (A)
1.5 V
30 pF
D
OUT
RL = 50 Ω
Zo = 50 Ω
Read Cycle
R1RP0404D
-2
Parameter Symbol Min Max Unit Notes
Read cycle time tRC 12 ns
Address access time tAA 12 ns
Chip select access time tACS 12 ns
Output enable to output valid tOE 6 ns
Output hold from address change tOH 3 ns
Chip select to output in low-Z tCLZ 3 ns 1
Output enable to output in low-Z tOLZ 0 ns 1
Chip deselect to output in high-Z tCHZ 6 ns 1
Output disable to output in high-Z tOHZ 6 ns 1
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 7 of 11
Write Cycle
R1RP0404D
-2
Parameter Symbol Min Max Unit Notes
Write cycle time tWC 12 ns
Address valid to end of write tAW 8 ns
Chip select to end of write tCW 8 ns 9
Write pulse width tWP 8 ns 8
Address setup time tAS 0 ns 6
Write recovery time tWR 0 ns 7
Data to write time overlap tDW 6 ns
Data hold from write time tDH 0 ns
Write disable to output in low-Z tOW 3 ns 1
Output disable to output in high-Z tOHZ 6 ns 1
Write enable to output in high-Z tWHZ 6 ns 1
Notes: 1. Transition is measured ±200 mV from steady voltage with output load (B). This parameter is
sampled and not 100% tested.
2. Address should be valid prior to or coincident with CS# transition low.
3. WE# and/or CS# must be high during address transition time.
4. If CS# and OE# are low during this period, I/O pins are in the output state. Then, the data input
signals of opposite phase to the outputs must not be applied to them.
5. If the CS# low transition occurs simultaneously with the WE# low transition or after the WE#
transition, output remains a high impedance state.
6. tAS is measured from the latest address transition to the later of CS# or WE# going low.
7. tWR is measured from the earlier of CS# or WE# going high to the first address transition.
8. A write occurs during the overlap of a low CS# and a low WE#. A write begins at the latest
transition among CS# going low and WE# going low. A write ends at the earliest transition
among CS# going high and WE# going high. tWP is measured from the beginning of write to the
end of write.
9. tCW is measured from the later of CS# going low to the end of write.
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 8 of 11
Timing Waveforms
Read Timing Waveform (1) (WE# = VIH)
tAA
tACS
tRC
tOE
tCLZ
Valid data
Address
CS#
DOUT
Valid address
High impedance
tOHZ
OE#
tOH
tCHZ
tOLZ
Read Timing Waveform (2) (WE# = VIH, CS# = VIL, OE# = VIL)
t
AA
t
RC
Valid data
Address
D
OUT
Valid address
t
OH
t
OH
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 9 of 11
Read Timing Waveform (3) (WE# = VIH, CS# = VIL, OE# = VIL)*2
Valid data
CS#
D
OUT
High
impedance High
impedance
t
CLZ
t
ACS
t
RC
t
CHZ
Write Timing Waveform (1) (WE# Controlled)
Address
WE#*
3
D
OUT
D
IN
t
WC
t
WP
t
WR
t
CW
t
DW
t
DH
Valid address
t
AW
Valid data
t
AS
CS#*
3
t
OHZ
*
4
*
4
OE#
High impedance*
5
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 10 of 11
Write Timing Waveform (2) (CS# Controlled)
Address
WE# *3
DOUT
DIN
tWC
tWP
tWR
tCW
tDW tDH
Valid address
tAW
Valid data
tAS
CS# *3
tWHZ tOW
*4*4
High impedance*5
R1RP0404D Series
Rev.1.00, Mar.12.2004, page 11 of 11
Low VCC Data Retention Characteristics
(Ta = 0 to +70°C)
This characteristics is guaranteed only for L-version.
Parameter Symbol Min Max Unit Test conditions
VCC for data retention VDR 2.0 V VCC ≥ CS# ≥ VCC − 0.2 V
(1) 0 V ≤ VIN ≤ 0.2 V or
(2) VCC ≥ VIN ≥ VCC − 0.2 V
Data retention current ICCDR 500 µA VCC = 3 V, VCC ≥ CS# ≥ VCC − 0.2 V
(1) 0 V ≤ VIN ≤ 0.2 V or
(2) VCC ≥ VIN ≥ VCC − 0.2 V
Chip deselect to data
retention time tCDR 0 ns See retention waveform
Operation recovery time tR 5 ms
Low VCC Da ta Retention Timing Waveform
CC
V
2.2 V
4.5 V
0 V
CS#
t
CDR
t
R
DR
V
Data retention mode
V
CC
≥ CS# ≥ V
CC
− 0.2 V
Revision History R1RP0404D Series Data Sheet
Contents of Modification Rev. Date
Page Description
0.01 Oct. 01, 2003 Initial issue
1.00 Mar.12.2004 Deletion of Preliminary
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