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PDF HM6216514I Data sheet ( Hoja de datos )
| Número de pieza | HM6216514I | |
| Descripción | 8M SRAM | |
| Fabricantes | Renesas | |
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HM6216514I Series
Wide Temperature Range Version
8 M SRAM (512-kword × 16-bit)
ADE-203-1303B (Z)
Rev. 1.0
Oct. 23, 2002
Description
The Hitachi HM6216514I Series is 8-Mbit static RAM organized 524,288-word × 16-bit. HM6216514I
Series has realized higher density, higher performance and low power consumption by employing CMOS
process technology (6-transistor memory cell). 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 5.0 V supply: 5.0V ± 10 %
• Fast access time: 55 ns (Max)
• Power dissipation:
Active: 10 mW/MHz (Typ)
Standby: 7.5 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.
• Temperature range: –40 to +85°C
1 page  
Operation Table
CS WE OE UB LB
H× × × ×
× × × HH
L HL L L
L HL HL
L HL L H
LL×LL
L L × HL
LL×LH
L HH× ×
Note: H: VIH, L: VIL, ×: VIH or VIL
I/O0 to I/O7
High-Z
High-Z
Dout
Dout
High-Z
Din
Din
High-Z
High-Z
HM62162514I Series
I/O8 to I/O15
High-Z
High-Z
Dout
High-Z
Dout
Din
High-Z
Din
High-Z
Operation
Standby
Standby
Read
Lower byte read
Upper byte read
Write
Lower byte write
Upper byte write
Output disable
Absolute Maximum Ratings
Parameter
Symbol
Power supply voltage relative to VSS
Terminal voltage on any pin relative to VSS
Power dissipation
Storage temperature range
VCC
VT
PT
Tstg
Storage temperature range under bias
Tbias
Notes: 1. VT min: –3.0 V for pulse half-width ≤ 30 ns.
2. Maximum voltage is +7.0 V.
Value
–0.5 to + 7.0
–0.5*1 to VCC + 0.3*2
1.0
–55 to +125
–40 to +85
Unit
V
V
W
°C
°C
DC Operating Conditions
Parameter
Symbol Min Typ Max Unit Note
Supply voltage
Input high voltage
Input low voltage
Ambient temperature range
VCC 4.5 5.0 5.5 V
VSS 0 0 0 V
VIH 2.2 —
VCC + 0.3 V
VIL –0.3 — 0.8 V
Ta –40 — 85 °C
1
Note: 1. VIL min: –3.0 V for pulse half-width ≤ 30 ns.
5
5 Page 
Write Cycle (2) (CS Clock, OE = VIH)
Address
CS
LB, UB
tAS*6
tWC
Valid address
tAW
tCW*5
tBW
HM62162514I Series
tWR*7
WE
Din
Dout
tWP*4
tDW tDH
Valid data
High impedance
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet HM6216514I.PDF ] | |
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